CVE-2017-13726

NameCVE-2017-13726
DescriptionThere is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.
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-1093-1, DSA-4100-1
NVD severitymedium
Debian Bugs873880

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tiff (PTS)stretch (security), stretch4.0.8-2+deb9u5fixed
buster, buster (security)4.1.0+git191117-2~deb10u1fixed
bullseye, sid4.1.0+git191117-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tiffsourcewheezy4.0.2-6+deb7u16DLA-1093-1
tiffsourcejessie4.0.3-12.3+deb8u5DSA-4100-1
tiffsourcestretch4.0.8-2+deb9u2DSA-4100-1
tiffsource(unstable)4.0.8-5873880
tiff3sourcewheezy(not affected)
tiff3source(unstable)(unfixed)

Notes

[wheezy] - tiff3 <not-affected> (Vulnerable code not present)
http://bugzilla.maptools.org/show_bug.cgi?id=2727
Fixed by: https://github.com/vadz/libtiff/commit/f91ca83a21a6a583050e5a5755ce1441b2bf1d7e

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