Type Confusion in macOS - CVE-2022-42841
Published: December 13, 2022
Vulnerability identifier: #VU70244
CSH Severity: Medium
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-42841
CWE-ID: CWE-843
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 type confusion error in xar when processing specially crafted packages. A remote attacker can trick the victim to open a specially crafted package, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
macOS
How to mitigate CVE-2022-42841
Install updates from vendor's website.
macOS - addressed in versions 13.1 22C65, 11.7.2 20G1020, 12.6.2 21G320