CVEvulnerability
CVE-2020-14345
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-09-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-119
Description
A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Affected configurations
• x.org x server (< 1.20.9)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 20.04
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://www.openwall.com/lists/oss-security/2021/01/15/1 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1862241 Issue Tracking, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2020-August/003058.html Vendor Advisory
- https://security.gentoo.org/glsa/202012-01 Third Party Advisory
- https://usn.ubuntu.com/4488-2/ Third Party Advisory
- https://usn.ubuntu.com/4490-1/ Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1416/ Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/01/15/1 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1862241 Issue Tracking, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2020-August/003058.html Vendor Advisory
- https://security.gentoo.org/glsa/202012-01 Third Party Advisory
- https://usn.ubuntu.com/4488-2/ Third Party Advisory
- https://usn.ubuntu.com/4490-1/ Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-1416/ Third Party Advisory, VDB Entry