Out-of-bounds write in macOS - CVE-2023-27936
Published: March 27, 2023
Vulnerability identifier: #VU74096
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-2023-27936
CWE-ID: CWE-787
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 in CommCenter. A local application can trigger an out-of-bounds write and execute arbitrary code with kernel privileges.
Affected software
macOS
Apple iOS
iPadOS
Apple iOS
iPadOS
How to mitigate CVE-2023-27936
Install updates from vendor's website.
macOS - addressed in versions 11.7.5 20G1225, 12.6.4 21G526, 13.3 22E252
Apple iOS - update to 15.7.4 19H321
iPadOS - update to 15.7.4 19H321
Apple iOS - update to 15.7.4 19H321
iPadOS - update to 15.7.4 19H321