CVE-2023-5367

NameCVE-2023-5367
DescriptionA out-of-bounds write flaw was found in the xorg-x11-server. This issue occurs due to an incorrect calculation of a buffer offset when copying data stored in the heap in the XIChangeDeviceProperty function in Xi/xiproperty.c and in RRChangeOutputProperty function in randr/rrproperty.c, allowing for possible escalation of privileges or denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3631-1, DSA-5534-1, ELA-990-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xorg-server (PTS)jessie, jessie (lts)2:1.16.4-1+deb8u17fixed
stretch (security)2:1.19.2-1+deb9u9vulnerable
stretch (lts), stretch2:1.19.2-1+deb9u20fixed
buster, buster (lts)2:1.20.4-1+deb10u15fixed
buster (security)2:1.20.4-1+deb10u14fixed
bullseye2:1.20.11-1+deb11u13fixed
bullseye (security)2:1.20.11-1+deb11u14fixed
bookworm (security), bookworm2:21.1.7-3+deb12u8fixed
sid, trixie2:21.1.14-2fixed
xwayland (PTS)bookworm2:22.1.9-1vulnerable
sid, trixie2:24.1.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xorg-serversourcejessie2:1.16.4-1+deb8u12ELA-990-1
xorg-serversourcestretch2:1.19.2-1+deb9u15ELA-990-1
xorg-serversourcebuster2:1.20.4-1+deb10u10DLA-3631-1
xorg-serversourcebullseye2:1.20.11-1+deb11u8DSA-5534-1
xorg-serversourcebookworm2:21.1.7-3+deb12u2DSA-5534-1
xorg-serversource(unstable)2:21.1.9-1
xwaylandsource(unstable)2:23.2.2-1

Notes

[bookworm] - xwayland <ignored> (Minor issue; Xwayland shouldn't be running as root)
https://lists.x.org/archives/xorg-announce/2023-October/003430.html
Fixed by: https://gitlab.freedesktop.org/xorg/xserver/-/commit/541ab2ecd41d4d8689e71855d93e492bc554719a

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