Vulnerabilities > CVE-2022-2320 - Out-of-bounds Write vulnerability in X.Org Xorg-Server 21.1.0
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |
Common Weakness Enumeration (CWE)
References
- https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938
- https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939
- https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc
- https://www.zerodayinitiative.com/advisories/ZDI-22-963/
- https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html
- https://security.gentoo.org/glsa/202210-30
- https://security.netapp.com/advisory/ntap-20221104-0003/