CVE-2020-14345
Published: August 31, 2023Last modified: August 31, 2023
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | xorg-server | Not affected (21.1.8-r0) |
| Stream | xorg-server | Not affected (21.1.8-r3) |
References
- http://www.openwall.com/lists/oss-security/2021/01/15/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1862241
- https://lists.x.org/archives/xorg-announce/2020-August/003058.html
- https://security.gentoo.org/glsa/202012-01
- https://usn.ubuntu.com/4488-2/
- https://usn.ubuntu.com/4490-1/
- https://www.zerodayinitiative.com/advisories/ZDI-20-1416/