Integer overflow in macOS - CVE-2022-26775
Published: May 16, 2022
Vulnerability identifier: #VU63265
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-26775
CWE-ID: CWE-190
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 integer overflow in libresolv. A remote attacker can pass specially crafted data to the application, trigger integer overflow 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
iPadOS
Apple iOS
tvOS
watchOS
iPadOS
Apple iOS
tvOS
How to mitigate CVE-2022-26775
Install updates from vendor's website.
macOS - addressed in versions 12.4 21F79, 10.15.7 19H1922
watchOS - update to 8.6 19T572
iPadOS - update to 15.5 19F77
Apple iOS - update to 15.5 19F77
tvOS - update to 15.5 19L570
watchOS - update to 8.6 19T572
iPadOS - update to 15.5 19F77
Apple iOS - update to 15.5 19F77
tvOS - update to 15.5 19L570