Buffer overflow in macOS - CVE-2022-42858

 

Buffer overflow in macOS - CVE-2022-42858

Published: March 20, 2023


Vulnerability identifier: #VU73802
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-42858
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error within the AMD subsystem. A local application can trigger memory corruption and execute arbitrary code with kernel privileges.


Affected software

macOS

How to mitigate CVE-2022-42858

Install updates from vendor's website.

macOS - addressed in versions 13.1 22C65, 12.5 21G72

External References

Related Security Bulletins