CVE-2013-4394

NameCVE-2013-4394
DescriptionThe 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."
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2777-1
Debian Bugs725357

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
systemd (PTS)bullseye247.3-7+deb11u5fixed
bullseye (security)247.3-7+deb11u6fixed
bookworm252.31-1~deb12u1fixed
sid, trixie257~rc2-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
systemdsourcewheezy44-11+deb7u4DSA-2777-1
systemdsource(unstable)204-5725357

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=862324
http://cgit.freedesktop.org/systemd/systemd/commit/?id=0b507b17a760b21e33fc52ff377db6aa5086c680

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