Buffer overflow in macOS - CVE-2023-40446
Published: November 6, 2023
Vulnerability identifier: #VU82726
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-40446
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in libc. A remote attacker can pass specially crafted input to user-installed applications on the system, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
macOS
Apple iOS
iPadOS
Apple iOS
iPadOS
How to mitigate CVE-2023-40446
Install updates from vendor's website.
macOS - addressed in versions 14.1 23B74, 12.7.1 21G920, 13.6.1 22G313
Apple iOS - addressed in versions 16.7.2 20H115, 17.1 21B74, 17.1 21B80
iPadOS - addressed in versions 16.7.2, 17.1
Apple iOS - addressed in versions 16.7.2 20H115, 17.1 21B74, 17.1 21B80
iPadOS - addressed in versions 16.7.2, 17.1