Main Vulnerability Database Vulnerabilities #VU65576

Buffer overflow in macOS - CVE-2022-32832

Published: July 20, 2022 / Updated: July 24, 2022

Vulnerability identifier: #VU65576

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-2022-32832

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: Public exploit is available

Vulnerability details

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

The vulnerability exists due to a boundary error within the AppleAPFSUserClient::methodDeltaCreateFinalize() method in APFS. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with root privileges.

Affected software

macOS
watchOS
iPadOS
Apple iOS
tvOS

How to mitigate CVE-2022-32832

Install updates from vendor's website.

macOS - addressed in versions 12.5 21G72, 10.15.7 19H2026, 11.6.8 20G730
iPadOS - update to 15.6 19G71
Apple iOS - update to 15.6 19G71
tvOS - update to 15.6 19M65

Links to Public Exploits and PoC-codes

External References

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