Out-of-bounds write in macOS - CVE-2022-32793

Vulnerability identifier: #VU65593

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-2022-32793

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

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

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

macOS
watchOS
Apple iOS
iPadOS
tvOS
Fedora
webkit2gtk3

Install updates from vendor's website.

macOS - update to 12.5 21G72
Apple iOS - addressed in versions 15.6 19G71, 16.0 20A362
iPadOS - addressed in versions 15.6 19G71, 16.0 20A362
tvOS - update to 15.6 19M65
webkit2gtk3 - addressed in versions 2.36.7-1.fc35, 2.36.7-1.fc36

• https://support.apple.com/en-us/HT213345

• Multiple vulnerabilities in macOS Monterey
• Multiple vulnerabilities in Apple iOS and iPadOS
• Multiple vulnerabilities in watchOS
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple iOS 16 and iPadOS 16
• Fedora 36 update for webkit2gtk3
• Fedora 35 update for webkit2gtk3