CVE-2019-7663 Affecting tiff package, versions <4.0.6-1ubuntu0.6
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-UBUNTU1604-TIFF-336836
- published9 Feb 2019
- disclosed9 Feb 2019
Introduced: 9 Feb 2019
CVE-2019-7663 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 tiff to version 4.0.6-1ubuntu0.6 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:16.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-7663
- https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39
- 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-2019-7663
- https://security.gentoo.org/glsa/202003-25
- http://bugzilla.maptools.org/show_bug.cgi?id=2833
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html
- https://usn.ubuntu.com/3906-1/
- https://usn.ubuntu.com/3906-2/