NULL Pointer Dereference Affecting tiff package, versions <4.0.6-1ubuntu0.6


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.26% (66th percentile)

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  • Snyk IDSNYK-UBUNTU1604-TIFF-405178
  • published2 Dec 2018
  • disclosed12 Nov 2018

Introduced: 12 Nov 2018

CVE-2018-19210  (opens in a new tab)
CWE-476  (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.

In LibTIFF 4.0.9, there is a NULL pointer dereference in the TIFFWriteDirectorySec function in tif_dirwrite.c that will lead to a denial of service attack, as demonstrated by tiffset.