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Integer Overflow or Wraparound Affecting imagemagick package, versions <8:6.9.7.4+dfsg-11+deb9u12

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.08% (34th percentile)
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NVD
5.5 medium
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SUSE
5.3 medium
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Red Hat
5.5 medium

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  • Snyk ID SNYK-DEBIAN9-IMAGEMAGICK-1045788
  • published 26 Nov 2020
  • disclosed 4 Dec 2020
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Introduced: 26 Nov 2020

CVE-2020-27770 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Debian:9 imagemagick to version 8:6.9.7.4+dfsg-11+deb9u12 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream imagemagick package and not the imagemagick package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

Due to a missing check for 0 value of replace_extent, it is possible for offset p to overflow in SubstituteString(), causing potential impact to application availability. This could be triggered by a crafted input file that is processed by ImageMagick. This flaw affects ImageMagick versions prior to 7.0.8-68.