NULL Pointer Dereference Affecting tiff package, versions <4.0.9-5ubuntu0.2
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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Test your applications- Snyk IDSNYK-UBUNTU1804-TIFF-405188
- published25 Sept 2018
- disclosed13 Sept 2018
Introduced: 13 Sep 2018
CVE-2018-17000 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 tiff to version 4.0.9-5ubuntu0.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tiff package and not the tiff package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-17000
- https://www.debian.org/security/2020/dsa-4670
- https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html
- https://security-tracker.debian.org/tracker/CVE-2018-17000
- 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://usn.ubuntu.com/3906-1/