#VU84373 Integer overflow in X.org Server and Xwayland - CVE-2023-6478
Published: December 13, 2023 / Updated: January 5, 2024
Vulnerability identifier: #VU84373
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-6478
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
X.org Server
Xwayland
X.org Server
Xwayland
Software vendor:
X.org
X.org
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to integer overflow when handling RRChangeProviderProperty or RRChangeOutputProperty requests. A local user can send a specially crafted request to the server, trigger an integer overflow and gain access to sensitive information.
Remediation
Install updates from vendor's website.