CVE-2006-4447

NameCVE-2006-4447
DescriptionX.Org and XFree86, including libX11, xdm, xf86dga, xinit, xload, xtrans, and xterm, does not check the return values for setuid and seteuid calls when attempting to drop privileges, which might allow local users to gain privileges by causing those calls to fail, such as by exceeding a ulimit.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-1193-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libx11 (PTS)buster, buster (security)2:1.6.7-1+deb10u2fixed
bullseye2:1.7.2-1fixed
bookworm, sid2:1.7.5-1fixed
xdm (PTS)bookworm, sid, buster, bullseye1:1.1.11-3fixed
xorg-server (PTS)buster, buster (security)2:1.20.4-1+deb10u4fixed
bullseye (security), bullseye2:1.20.11-1+deb11u1fixed
bookworm, sid2:21.1.3-2fixed
xterm (PTS)buster344-1+deb10u2vulnerable
bullseye366-1+deb11u1vulnerable
bookworm, sid372-1vulnerable
xtrans (PTS)buster1.3.5-1fixed
bookworm, sid, bullseye1.4.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libx11source(unstable)2:1.0.0-7unimportant
xbase-clientssource(unstable)1:7.1.ds-2unimportant
xdmsource(unstable)1:1.0.5-1unimportant
xfree86sourcesarge4.3.0.dfsg.1-14sarge2DSA-1193-1
xorg-serversource(unstable)1:1.0.2-9low
xtermsource(unstable)(unfixed)unimportant
xtranssource(unstable)1.0.0-6unimportant

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