CVE-2013-4394
Description
The SetX11Keyboard function in systemd, when PolicyKit Local Authority (PKLA) is used to change the group permissions on the X Keyboard Extension (XKB) layouts description, allows local users in the group to modify the Xorg X11 Server configuration file and possibly gain privileges via vectors involving "special and control characters."
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | 7.0 | affected | |
| debian | bookworm | fixed | 204-5 |
| debian | bullseye | fixed | 204-5 |
| debian | forky | fixed | 204-5 |
| debian | sid | fixed | 204-5 |
| debian | trixie | fixed | 204-5 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| systemd_project | systemd | {"endExcluding":"194"} | 194 |
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357
- http://www.debian.org/security/2013/dsa-2777
- http://www.openwall.com/lists/oss-security/2013/10/01/9
- https://bugzilla.redhat.com/show_bug.cgi?id=862324
- https://security.gentoo.org/glsa/201612-34
- https://security-tracker.debian.org/tracker/CVE-2013-4394
CWEs
CWE-276
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.