Information disclosure in macOS - CVE-2023-42940

 

Information disclosure in macOS - CVE-2023-42940

Published: December 19, 2023


Vulnerability identifier: #VU84581
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-42940
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a session rendering error in WindowServer component. A user who shares their screen may unintentionally share the incorrect content.


How to mitigate CVE-2023-42940

Install updates from vendor's website.

Sources