#VU48759 Heap-based buffer overflow in X.org Server - CVE-2020-25712

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Main Vulnerability Database Vulnerabilities #VU48759

#VU48759 Heap-based buffer overflow in X.org Server - CVE-2020-25712

Published: December 2, 2020


Vulnerability identifier: #VU48759
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear
CVE-ID: CVE-2020-25712
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
X.org Server
Software vendor:
X.org

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within XkbSetDeviceInfo functionality. A local user can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system with elevated privileges.


Remediation

Install updates from vendor's website.

External links