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NULL Pointer Dereference Affecting libtiff-tools package, versions <0:4.0.3-32.el7

Severity

 Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.56% (78th percentile)

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  • Snyk IDSNYK-RHEL7-LIBTIFFTOOLS-4934756
  • published26 Jul 2021
  • 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 RHEL:7 libtiff-tools to version 0:4.0.3-32.el7 or higher.
This issue was patched in RHSA-2019:2053.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtiff-tools package and not the libtiff-tools package as distributed by RHEL. See How to fix? for RHEL:7 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.)