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NULL Pointer Dereference Affecting tiff package, versions <4.0.6-1ubuntu0.5

Severity

 Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.56% (78th percentile)

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  • Snyk IDSNYK-UBUNTU1604-TIFF-406192
  • published24 Feb 2018
  • disclosed24 Feb 2018
Report a new vulnerability Found a mistake?

Introduced: 24 Feb 2018

CVE-2018-7456  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 tiff to version 4.0.6-1ubuntu0.5 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.

A NULL Pointer Dereference occurs in the function TIFFPrintDirectory in tif_print.c in LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 when using the tiffinfo tool to print crafted TIFF information, a different vulnerability than CVE-2017-18013. (This affects an earlier part of the TIFFPrintDirectory function that was not addressed by the CVE-2017-18013 patch.)