NULL Pointer Dereference Affecting libtiff5 package, versions <4.0.9-5.27.5
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-SLES150-LIBTIFF5-2754024
- published14 Apr 2022
- disclosed28 Mar 2019
Introduced: 28 Mar 2019
CVE-2018-17000 (opens in a new tab)How to fix?
Upgrade SLES:15.0 libtiff5 to version 4.0.9-5.27.5 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libtiff5 package and not the libtiff5 package as distributed by SLES.
See How to fix? for SLES:15.0 relevant fixed versions and status.
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.
References
- https://www.suse.com/security/cve/CVE-2018-17000.html
- https://bugzilla.suse.com/1108606
- https://bugzilla.suse.com/1115717
- https://bugzilla.suse.com/1125113
- 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