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NULL Pointer Dereference Affecting tiff package, versions <4.0.3-12.3+deb8u6

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.33% (71st percentile)
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NVD
6.5 medium
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SUSE
5.5 medium
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Red Hat
3.3 low

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  • Snyk ID SNYK-DEBIAN8-TIFF-406182
  • published 24 Feb 2018
  • disclosed 24 Feb 2018
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Introduced: 24 Feb 2018

CVE-2018-7456 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Debian:8 tiff to version 4.0.3-12.3+deb8u6 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 Debian. See How to fix? for Debian:8 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.)