CVE-2016-7976

NameCVE-2016-7976
DescriptionThe PS Interpreter in Ghostscript 9.18 and 9.20 allows remote attackers to execute arbitrary code via crafted userparams.
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)
ReferencesDLA-674-1, DSA-3691-1
NVD severitymedium
Debian Bugs839260

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ghostscript (PTS)jessie9.06~dfsg-2+deb8u7fixed
jessie (security)9.26a~dfsg-0+deb8u6fixed
stretch9.26a~dfsg-0+deb9u4fixed
stretch (security)9.26a~dfsg-0+deb9u6fixed
buster9.27~dfsg-2+deb10u2fixed
buster (security)9.27~dfsg-2+deb10u3fixed
bullseye, sid9.50~dfsg-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ghostscriptsource(unstable)9.19~dfsg-3.1high839260
ghostscriptsourcejessie9.06~dfsg-2+deb8u3DSA-3691-1
ghostscriptsourcewheezy9.05~dfsg-6.3+deb7u3DLA-674-1

Notes

Upstream bug: http://bugs.ghostscript.com/show_bug.cgi?id=697178
Reproducer: http://www.openwall.com/lists/oss-security/2016/09/30/8
Patch: http://git.ghostscript.com/?p=ghostpdl.git;h=6d444c273da5499a4cd72f21cb6d4c9a5256807d
http://www.openwall.com/lists/oss-security/2016/10/05/7

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