CVE-2015-7554

NameCVE-2015-7554
DescriptionThe _TIFFVGetField function in tif_dir.c in libtiff 4.0.6 allows attackers to cause a denial of service (invalid memory write and crash) or possibly have unspecified other impact via crafted field data in an extension tag in a TIFF image.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-692-1, DLA-693-1
NVD severityhigh (attack range: remote)
Debian Bugs809066, 842043, 850316

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tiff (PTS)wheezy4.0.2-6+deb7u5vulnerable
wheezy (security)4.0.2-6+deb7u16fixed
jessie (security), jessie4.0.3-12.3+deb8u4vulnerable
stretch (security), stretch4.0.8-2+deb9u1fixed
buster, sid4.0.8-5fixed
tiff3 (PTS)wheezy3.9.6-11vulnerable
wheezy (security)3.9.6-11+deb7u8fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tiffsource(unstable)4.0.7-7high809066, 842043, 850316
tiffsourcewheezy4.0.2-6+deb7u7highDLA-693-1
tiff3source(unstable)(unfixed)high
tiff3sourcewheezy3.9.6-11+deb7u2highDLA-692-1

Notes

http://www.openwall.com/lists/oss-security/2015/12/26/7
SUSE seem to have a fix (disputed): https://bugzilla.novell.com/show_bug.cgi?id=960341
Reproducer file here: https://bugzilla.novell.com/attachment.cgi?id=665389
http://bugzilla.maptools.org/show_bug.cgi?id=2564
partially fixed by http://bugzilla.maptools.org/show_bug.cgi?id=2564#c2
--
The problem is present in tiff3 3.9.6-11+deb7u1 on wheezy (the problematic code
gets executed under gdb), however for some reason this does not lead to a segfault.

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