| Name | CVE-2019-7663 |
| Description | An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900. |
| 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 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| tiff (PTS) | buster | 4.1.0+git191117-2~deb10u4 | fixed |
| buster (security) | 4.1.0+git191117-2~deb10u9 | fixed |
| bullseye (security), bullseye | 4.2.0-1+deb11u5 | fixed |
| bookworm, bookworm (security) | 4.5.0-6+deb12u1 | fixed |
| trixie, sid | 4.5.1+git230720-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| tiff | source | jessie | 4.0.3-12.3+deb8u8 | | DLA-1680-1 | |
| tiff | source | stretch | 4.0.8-2+deb9u5 | | DSA-4670-1 | |
| tiff | source | (unstable) | 4.0.10-4 | | | |
| tiff3 | source | (unstable) | (unfixed) | | | |
Notes
http://bugzilla.maptools.org/show_bug.cgi?id=2833
Fixed by: https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39
Same patch as CVE-2018-17000 but different issue. As well different
issue than CVE-2018-12900.