| Name | CVE-2018-17000 |
| Description | A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a denial-of-service through a crafted tiff file. This vulnerability can be triggered by the executable tiffcp. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1680-1, DSA-4670-1 |
| Debian Bugs | 908778 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| tiff (PTS) | bullseye | 4.2.0-1+deb11u5 | fixed |
| bullseye (security) | 4.2.0-1+deb11u6 | fixed |
| bookworm | 4.5.0-6+deb12u2 | fixed |
| bookworm (security) | 4.5.0-6+deb12u1 | fixed |
| trixie, sid | 4.7.0-3 | fixed |
The information below is based on the following data on fixed versions.
Notes
http://bugzilla.maptools.org/show_bug.cgi?id=2811
Relates to http://bugzilla.maptools.org/show_bug.cgi?id=2833
Fixed by: https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39