Multiple vulnerabilities in Apple iOS 15 and iPadOS 15

1) Integer overflow

EUVDB-ID: #VU57710

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-2021-30907

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow in the Audio component. A malicious application can trigger integer overflow and execute arbitrary code with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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) Buffer overflow

EUVDB-ID: #VU57720

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-2021-30916

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 within the macOS 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

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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.

3) Universal Cross-site scripting

EUVDB-ID: #VU57744

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30890

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in WebKLit. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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) Buffer overflow

EUVDB-ID: #VU57742

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-2021-30889

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 HTML content in WebKit. A remote attacker can create a specially crafted website, 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

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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) Information disclosure

EUVDB-ID: #VU57741

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-2021-30888

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists in WebKit. A malicious website using Content Security Policy reports may be able to leak information via redirect behavior.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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) Security restrictions bypass

EUVDB-ID: #VU57740

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30887

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due an error within the WebKit component. A remote attacker can trick the victim to open a specially crafted website and bypass Content Security Policy restrictions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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) State Issues

EUVDB-ID: #VU57726

Risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30915

CWE-ID: CWE-371 - State Issues

Exploit availability: No

Description

The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists in the UIKit. An attacker with physical access to the affected system can determine characteristics of a user's password in a secure text entry field and gain unauthorized access to the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

8) Out-of-bounds read

EUVDB-ID: #VU57722

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-2021-30911

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 Model I/O subsystem. 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

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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.

9) Out-of-bounds read

EUVDB-ID: #VU57721

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-2021-30910

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 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

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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.

10) Buffer overflow

EUVDB-ID: #VU57719

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-2021-30909

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 within the macOS 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

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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) Buffer overflow

EUVDB-ID: #VU57712

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-2021-30917

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 ICC profiles in ColorSync subsystem. 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

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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.

12) Use-after-free

EUVDB-ID: #VU57735

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-2021-30886

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 within the macOS kernel. 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

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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) Security restrictions bypass

EUVDB-ID: #VU57717

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-2021-30906

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

Exploit availability: No

Description

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

The vulnerability exists due improper permissions checks in iCloud. A local user can bypass security restrictions bypass and escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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) Out-of-bounds write

EUVDB-ID: #VU57747

Risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2021-30900

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in GPU Drivers. A malicious application can trigger an out-of-bounds write and execute arbitrary code with kernel privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867
http://blog.google/threat-analysis-group/spyware-vendors-use-0-days-and-n-days-against-popular-platforms/

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.

15) Input validation error

EUVDB-ID: #VU57714

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-2021-30881

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in FileProvider. A remote attacker trick  the victim to open a specially crafted archive and execute arbitrary code on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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.

16) Out-of-bounds write

EUVDB-ID: #VU57713

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-2021-30919

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 within the CoreGraphics subsystem when processing PDF files. A remote attacker can create a specially crafted PDF 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

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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.

17) Out-of-bounds read

EUVDB-ID: #VU57730

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-2021-30905

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 CoreAudio subsystem. A remote attacker can create a specially crafted audio 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

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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.

18) Input validation error

EUVDB-ID: #VU57732

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-2021-30903

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 Continuity Camera component. A local user can pass specially crafted input to the application and escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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.

19) Buffer overflow

EUVDB-ID: #VU57748

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-2021-30914

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in GPU Drivers. A malicious application can trigger memory corruption and execute arbitrary code with kernel privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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) Buffer overflow

EUVDB-ID: #VU57749

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-2021-30894

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in the Image Processing engine. A malicious application can trigger memory corruption and execute arbitrary code with kernel privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

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.

21) Information disclosure

EUVDB-ID: #VU57750

Risk: Low

CVSSv3.1: 2.1 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30875

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists in Siri. An attacker with physical access to device can view contacts from the lock screen.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

22) Use-after-free

EUVDB-ID: #VU57751

Risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30902

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the Voice Control subsystem. A local attacker with physical access to device can trigger a use-after-free error and compromise the affected device.

Mitigation

Install update from vendor's website.

Vulnerable software versions

iPadOS: 15.0 19A346 - 15.0.2 19A404

Apple iOS: 15.0 19A346 - 15.0.2 19A404

External links

http://support.apple.com/en-us/HT212867

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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