Buffer overflow in macOS - CVE-2021-30926
Published: December 14, 2021
Vulnerability identifier: #VU58852
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-2021-30926
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 ColorSync when processing ICC profiles in images. A remote attacker can create a specially crafted image, trick the victim into opening it, 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
watchOS
tvOS
iPadOS
Apple iOS
watchOS
tvOS
iPadOS
Apple iOS
How to mitigate CVE-2021-30926
Install updates from vendor's website.
macOS - addressed in versions 12.1 21C52, 10.15.7 19H1519
watchOS - update to 8.3 19S55
tvOS - update to 15.2 19K53
iPadOS - update to 15.2 19C56
Apple iOS - addressed in versions 15.2 19C56, 15.2 19C57
watchOS - update to 8.3 19S55
tvOS - update to 15.2 19K53
iPadOS - update to 15.2 19C56
Apple iOS - addressed in versions 15.2 19C56, 15.2 19C57