CVE-2018-12900

NameCVE-2018-12900
DescriptionHeap-based buffer overflow in the cpSeparateBufToContigBuf function in tiffcp.c in LibTIFF 4.0.9 allows remote attackers to cause a denial of service (crash) or possibly have unspecified other impact via a crafted TIFF file.
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)
NVD severitymedium (attack range: remote)
Debian Bugs902718

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+deb8u7vulnerable
stretch4.0.8-2+deb9u2vulnerable
stretch (security)4.0.8-2+deb9u4vulnerable
buster, sid4.0.10-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tiffsource(unstable)(unfixed)medium902718

Notes

[stretch] - tiff <postponed> (Minor issue, can be fixed along in future DSA)
[jessie] - tiff <postponed> (Minor issue, can be fixed along in future DLA)
http://bugzilla.maptools.org/show_bug.cgi?id=2798
https://gitlab.com/libtiff/libtiff/merge_requests/44

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