CVE-2019-7663
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.
| Software | From | Fixed in |
|---|---|---|
| libtiff / libtiff | 4.0.10 | 4.0.10.x |
| debian / debian_linux | 8.0 | 8.0.x |
| canonical / ubuntu_linux | 16.04 | 16.04.x |
| canonical / ubuntu_linux | 14.04 | 14.04.x |
| canonical / ubuntu_linux | 12.04 | 12.04.x |
| canonical / ubuntu_linux | 18.04 | 18.04.x |
| canonical / ubuntu_linux | 18.10 | 18.10.x |
| opensuse / leap | 15.0 | 15.0.x |
- http://bugzilla.maptools.org/show_bug.cgi?id=2833
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
- https://security.gentoo.org/glsa/202003-25
- https://usn.ubuntu.com/3906-1/
- https://usn.ubuntu.com/3906-2/
- https://www.debian.org/security/2020/dsa-4670
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