Input validation error in macOS - CVE-2022-32790
Published: June 30, 2022
Vulnerability identifier: #VU64839
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-32790
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in libresolv. A remote attacker can pass specially crafted DNS response to the systen and perform a denial of service (DoS) attack.
Affected software
macOS
watchOS
Apple iOS
iPadOS
tvOS
watchOS
Apple iOS
iPadOS
tvOS
How to mitigate CVE-2022-32790
Install updates from vendor's website.
macOS - addressed in versions 10.15.7 19H1922, 11.6.6 20G624, 12.4 21F79
watchOS - update to 8.6 19T572
Apple iOS - update to 15.5 19F77
iPadOS - update to 15.5 19F77
tvOS - update to 15.5 19L570
watchOS - update to 8.6 19T572
Apple iOS - update to 15.5 19F77
iPadOS - update to 15.5 19F77
tvOS - update to 15.5 19L570