CVE-2013-4559

NameCVE-2013-4559
Descriptionlighttpd before 1.4.33 does not check the return value of the (1) setuid, (2) setgid, or (3) setgroups functions, which might cause lighttpd to run as root if it is restarted and allows remote attackers to gain privileges, as demonstrated by multiple calls to the clone function that cause setuid to fail when the user process limit is reached.
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-2795-1
Debian Bugs729453

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
lighttpd (PTS)stretch1.4.45-1fixed
stretch (security)1.4.45-1+deb9u1fixed
buster, buster (security)1.4.53-4+deb10u2fixed
bullseye (security), bullseye1.4.59-1+deb11u1fixed
bookworm, sid1.4.65-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
lighttpdsourcesqueeze1.4.28-2+squeeze1.4DSA-2795-1
lighttpdsourcewheezy1.4.31-4+deb7u1DSA-2795-1
lighttpdsource(unstable)1.4.33-1+nmu1729453

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