Multiple vulnerabilities in macOS Big Sur

1) Race condition

EUVDB-ID: #VU58876

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30995

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the Preferences feature. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds write

EUVDB-ID: #VU58872

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30929

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing USD files within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Buffer overflow

EUVDB-ID: #VU58873

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30979

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing USD or ABC files within the Model I/O subsystem. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Out-of-bounds read

EUVDB-ID: #VU58874

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30940

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem when processing USD files. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Out-of-bounds read

EUVDB-ID: #VU58875

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30941

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem when processing USD files. A remote attacker can create a specially crafted USD file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Out-of-bounds read

EUVDB-ID: #VU58871

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30973

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Model I/O subsystem. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Out-of-bounds write

EUVDB-ID: #VU58870

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30971

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing USD files within the Model I/O subsystem. A remote attacker can create a specially crafted USD file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU58877

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30968

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to a validation issue in the Sandbox feature, related to hard link behavior. A malicious application can bypass certain Privacy preferences.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU58869

Risk: Low

CVSSv3.1: 4.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2021-30990

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a logic issue in the LaunchServices subsystem. A malicious application may bypass Gatekeeper checks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

10) Improper access control

EUVDB-ID: #VU58879

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30947

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local application to gain unauthorized access to otherwise restricted information.

The vulnerability exists due to improper access restrictions within Sandbox implementation. A local application can bypass implemented security restrictions and access user's files.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Security restrictions bypass

EUVDB-ID: #VU58878

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30946

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to a logic issue in the Sandbox feature. A malicious application can bypass certain Privacy preferences.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU58880

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30975

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to a design issue within the Script Editor. A malicious OSAX scripting addition can bypass Gatekeeper checks and circumvent sandbox restrictions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU58881

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30767

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a logic issue in the TCC feature. A local user can modify protected parts of the file system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU58883

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30970

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to logic issue in TCC feature. A malicious application is able to bypass Privacy preferences.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) State Issues

EUVDB-ID: #VU58884

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30965

CWE-ID: CWE-371 - State Issues

Exploit availability: No

Description

The vulnerability allows a local application to perform a denial of service (DoS) attack.

The vulnerability exists due to a logic issue in the TCC feature. A malicious application is able to cause a denial of service to Endpoint Security clients.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Input validation error

EUVDB-ID: #VU58892

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30938

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the Wi-Fi subsystem. A local user can cause unexpected system termination or read kernel memory.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU58868

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30976

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a logic issue in the LaunchServices subsystem. A malicious application may bypass Gatekeeper checks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Buffer overflow

EUVDB-ID: #VU58865

Risk: Low

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30949

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the OS kernel subsystem. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with kernel privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU58848

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30950

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to a logic issue in the Archive Utility. A malicious application can bypass Gatekeeper checks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

20) Out-of-bounds read

EUVDB-ID: #VU58855

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30958

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing media files in CoreAudio. A remote attacker can create a specially crafted media file, trick the victim into opening it using the affected software, trigger an out-of-bounds read error and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Information disclosure

EUVDB-ID: #VU58671

Risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30931

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to read kernel memory.

The vulnerability exists due to a logic error in the Bluetooth subsystem. A local user can read parts of kernel memory.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU58893

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30935

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a logic issue within the Bluetooth subsystem. A local application can execute arbitrary code with kernel privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Buffer overflow

EUVDB-ID: #VU58853

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30942

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in ColorSync when processing ICC profiles in images. A remote attacker can create a specially crafted image, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Out-of-bounds read

EUVDB-ID: #VU58894

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30959

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition withing the CoreAudio subsystem. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

25) Out-of-bounds read

EUVDB-ID: #VU58895

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30961

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition withing the CoreAudio subsystem. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

26) Out-of-bounds read

EUVDB-ID: #VU58896

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30963

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition withing the CoreAudio subsystem. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

27) Input validation error

EUVDB-ID: #VU58856

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30945

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Crash Reporter. A local user can pass specially crafted input to the system and escalate privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

28) Buffer overflow

EUVDB-ID: #VU58862

Risk: Low

CVSSv3.1: 9.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2021-30937

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the OS kernel subsystem. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with kernel privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

29) Buffer overflow

EUVDB-ID: #VU58857

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30977

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in Graphics Drivers. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with kernel privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

30) Input validation error

EUVDB-ID: #VU58897

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30969

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary files on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Help Viewer when processing URL. A remote attacker can trick the victim to open a specially crafted URL and cause unexpected JavaScript execution from a file on disk.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

31) Out-of-bounds read

EUVDB-ID: #VU58858

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2021-30939

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing DDS images in ImageIO. A remote attacker can create a specially crafted image file, trick the victim into opening it using the affected software, trigger out-of-bounds read error and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

32) Buffer overflow

EUVDB-ID: #VU58859

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30981

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in Intel Graphics Driver component. A local user can run a specially crafted program to trigger memory corruption and execute arbitraty code with kernel privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

33) Race condition

EUVDB-ID: #VU58861

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30982

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition in IOUSBHostFamily subsystem. A remote attacker can pass specially crafted data to the system and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

34) Use-after-free

EUVDB-ID: #VU58863

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30927

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the OS kernel subsystem. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with kernel privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

35) Use-after-free

EUVDB-ID: #VU58864

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30980

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the OS kernel subsystem. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with kernel privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

36) Information disclosure

EUVDB-ID: #VU57733

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30895

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a malicious application to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the Game Center. A malicious application can gain unauthorized access to user's contacts.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

37) Buffer overflow

EUVDB-ID: #VU58854

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30957

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in CoreAudio when processing media files. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

38) Out-of-bounds read

EUVDB-ID: #VU65682

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30962

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary error in CoreAudio component when parsing files. A remote attacker can create a specially crafted audio file, trick the victim into opening it, trigger an out-of-bounds read error and disclose personal information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

39) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU65677

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-31007

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to improper permissions management in File Provider. A local application can bypass Privacy preferences.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: 11.0 20A2411 - 11.6.1 20G224

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

40) Out-of-bounds read

EUVDB-ID: #VU72154

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-31002

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary condition in SMB implementation. A local application can trigger an out-of-bounds read error and execute arbitrary code with system privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: before 11.6.2 20G314

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

41) Out-of-bounds read

EUVDB-ID: #VU72155

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-31013

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in FontParser. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

macOS: before 11.6.2 20G314

External links

http://support.apple.com/en-us/HT212979

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Risk	High
Patch available	YES
Number of vulnerabilities	41
CVE-ID	CVE-2021-30995 CVE-2021-30929 CVE-2021-30979 CVE-2021-30940 CVE-2021-30941 CVE-2021-30973 CVE-2021-30971 CVE-2021-30968 CVE-2021-30990 CVE-2021-30947 CVE-2021-30946 CVE-2021-30975 CVE-2021-30767 CVE-2021-30970 CVE-2021-30965 CVE-2021-30938 CVE-2021-30976 CVE-2021-30949 CVE-2021-30950 CVE-2021-30958 CVE-2021-30931 CVE-2021-30935 CVE-2021-30942 CVE-2021-30959 CVE-2021-30961 CVE-2021-30963 CVE-2021-30945 CVE-2021-30937 CVE-2021-30977 CVE-2021-30969 CVE-2021-30939 CVE-2021-30981 CVE-2021-30982 CVE-2021-30927 CVE-2021-30980 CVE-2021-30895 CVE-2021-30957 CVE-2021-30962 CVE-2021-31007 CVE-2021-31002 CVE-2021-31013
CWE-ID	CWE-362 CWE-787 CWE-119 CWE-125 CWE-264 CWE-284 CWE-371 CWE-20 CWE-200 CWE-416
Exploitation vector	Network
Public exploit	Vulnerability #9 is being exploited in the wild. Vulnerability #28 is being exploited in the wild. Public exploit code for vulnerability #31 is available.
Vulnerable software Subscribe	macOS Operating systems & Components / Operating system
Vendor	Apple Inc.