| 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-1680-1, DSA-4670-1 |
| NVD severity | medium |
| Debian Bugs | 908778 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| tiff (PTS) | jessie | 4.0.3-12.3+deb8u5 | vulnerable |
| jessie (security) | 4.0.3-12.3+deb8u10 | fixed | |
| stretch | 4.0.8-2+deb9u4 | vulnerable | |
| stretch (security) | 4.0.8-2+deb9u5 | fixed | |
| buster, buster (security) | 4.1.0+git191117-2~deb10u1 | fixed | |
| bullseye, sid | 4.1.0+git191117-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| tiff | source | (unstable) | 4.0.10-4 | 908778 | ||
| tiff | source | jessie | 4.0.3-12.3+deb8u8 | DLA-1680-1 | ||
| tiff | source | stretch | 4.0.8-2+deb9u5 | DSA-4670-1 | ||
| tiff3 | source | (unstable) | (unfixed) |
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