CVE-2013-4394: debian debian_linux Incorrect Default Permissions
Vulnerability summary
CVE-2013-4394 is a medium (CVSS 5.9) Incorrect Default Permissions vulnerability in debian debian_linux. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.1% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 28-10-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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."
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
25%
Versus all other CVEs
30-day change
0.00 pp
From 0.33% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- systemd< 204-5
- debian_linuxEOL7.0
Systemd_project1 product
- systemd< 194
2 vendors · 3 products
References
6 links- bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357X Refsource CONFIRMIssue TrackingThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=862324X Refsource CONFIRMIssue TrackingPatchThird Party Advisory