Multiple vulnerabilities in Apple macOS Big Sur
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 13 |
| CVE-ID | CVE-2022-42821 CVE-2022-32942 CVE-2022-42864 CVE-2022-46689 CVE-2022-42845 CVE-2022-42842 CVE-2022-40303 CVE-2022-40304 CVE-2022-42840 CVE-2022-42841 CVE-2022-46704 CVE-2022-42865 CVE-2022-46718 |
| CWE-ID | CWE-254 CWE-119 CWE-362 CWE-190 CWE-399 CWE-843 CWE-269 CWE-200 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #3 is available. Vulnerability #4 is being exploited in the wild. Public exploit code for vulnerability #13 is available. |
| Vulnerable software Subscribe |
macOS Operating systems & Components / Operating system |
| Vendor | Apple Inc. |
Security Bulletin
This security bulletin contains information about 13 vulnerabilities.
1) Security features bypass
EUVDB-ID: #VU70245
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-2022-42821
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a local application to bypass implemented security restrictions.
The vulnerability exists due to a logic error in BOM component. A local application can bypass Gatekeeper checks.
MitigationInstall update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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: #VU70209
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-2022-32942
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error in DriverKit. A local application can trigger memory corruption and execute arbitrary code with kernel privileges.
Install update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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) Race condition
EUVDB-ID: #VU70211
Risk: Low
CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2022-42864
Exploit availability: Yes
DescriptionThe vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a race condition in IOHIDFamily. A local application can exploit the race and execute arbitrary code with kernel privileges.
Install update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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. However, proof of concept for this vulnerability is available.
4) Race condition
EUVDB-ID: #VU70216
Risk: Low
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-2022-46689
Exploit availability: Yes
DescriptionThe vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a race condition in macOS kernel. A local application can exploit the race and execute arbitrary code with kernel privileges.
Install update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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.
5) Buffer overflow
EUVDB-ID: #VU70224
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-2022-42845
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local application to escalate privileges on the system.
Install update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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.
6) Buffer overflow
EUVDB-ID: #VU70220
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-2022-42842
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error in macOS kernel. A local application can trigger memory corruption and execute arbitrary code with kernel privileges.
Install update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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.
7) Integer overflow
EUVDB-ID: #VU68828
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-40303
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in parse.c when processing content when XML_PARSE_HUGE is set. A remote attacker can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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) Resource management error
EUVDB-ID: #VU68829
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-2022-40304
CWE-ID:
CWE-399 - Resource Management Errors
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in entities.c due to the way libxml2 handles reference cycles. The library does not anticipate that entity content can be allocated from a dict and clears it upon reference cycle detection by setting its first byte to zero. This can lead to memory corruption issues, such as double free errors and result in a denial of service.
Install update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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) Buffer overflow
EUVDB-ID: #VU70228
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-2022-42840
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error in ppp component. A local application can trigger memory corruption and execute arbitrary code with kernel privileges.
Install update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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.
10) Type Confusion
EUVDB-ID: #VU70244
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-42841
CWE-ID:
CWE-843 - Type confusion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error in xar when processing specially crafted packages. A remote attacker can trick the victim to open a specially crafted package, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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.
11) Improper Privilege Management
EUVDB-ID: #VU70513
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-46704
CWE-ID:
CWE-269 - Improper Privilege Management
Exploit availability: No
DescriptionThe vulnerability allows a local application to bypass implemented security restrictions.
The vulnerability exists due to a logic issue in the PackageKit component. A local application can modify protected parts of the file system.
MitigationInstall update from vendor's website.
Vulnerable software versionsmacOS: 11.0 20A2411 - 11.7.1 20G918
External linkshttp://support.apple.com/en-us/HT213534
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) Security features bypass
EUVDB-ID: #VU70201
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-2022-42865
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to insufficient hardening in AppleMobileFileIntegrity. A local application can bypass Privacy preferences.
MitigationInstall update from vendor's website.
Vulnerable software versionsmacOS: before 11.7.2 20G1020
External linkshttp://support.apple.com/en-us/HT213534
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) Information disclosure
EUVDB-ID: #VU75782
Risk: Low
CVSSv3.1: 3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2022-46718
CWE-ID:
CWE-200 - Information exposure
Exploit availability: Yes
DescriptionThe vulnerability allows a local application to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in TCC. A local application can gain unauthorized access to sensitive information on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsmacOS: before 11.7.2 20G1020
External linkshttp://support.apple.com/en-us/HT213534
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. However, proof of concept for this vulnerability is available.
