CVE-2018-7456

NameCVE-2018-7456
DescriptionA NULL Pointer Dereference occurs in the function TIFFPrintDirectory in tif_print.c in LibTIFF 4.0.9 when using the tiffinfo tool to print crafted TIFF information, a different vulnerability than CVE-2017-18013. (This affects an earlier part of the TIFFPrintDirectory function that was not addressed by the CVE-2017-18013 patch.)
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-1346-1, DLA-1347-1, DLA-1411-1, DSA-4349-1
NVD severitymedium (attack range: remote)
Debian Bugs891288

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tiff (PTS)jessie4.0.3-12.3+deb8u5vulnerable
jessie (security)4.0.3-12.3+deb8u7fixed
stretch4.0.8-2+deb9u2vulnerable
stretch (security)4.0.8-2+deb9u4fixed
buster, sid4.0.10-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tiffsource(unstable)4.0.9-5medium891288
tiffsourcejessie4.0.3-12.3+deb8u6mediumDLA-1411-1
tiffsourcestretch4.0.8-2+deb9u4mediumDSA-4349-1
tiffsourcewheezy4.0.2-6+deb7u19mediumDLA-1346-1
tiff3source(unstable)(unfixed)medium
tiff3sourcewheezy3.9.6-11+deb7u10mediumDLA-1347-1

Notes

http://bugzilla.maptools.org/show_bug.cgi?id=2778
https://gitlab.com/libtiff/libtiff/commit/be4c85b16e8801a16eec25e80eb9f3dd6a96731b

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