CVE-2018-17000
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.
| Software | From | Fixed in |
|---|---|---|
| libtiff / libtiff | 4.0.9 | 4.0.9.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 | 18.04 | 18.04.x |
| canonical / ubuntu_linux | 18.10 | 18.10.x |
- http://bugzilla.maptools.org/show_bug.cgi?id=2811
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- http://www.securityfocus.com/bid/105342
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
- https://usn.ubuntu.com/3906-1/
- https://www.debian.org/security/2020/dsa-4670
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