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


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.08% (37th percentile)

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  • Snyk IDSNYK-DEBIAN9-IMAGEMAGICK-1045788
  • published26 Nov 2020
  • disclosed4 Dec 2020

Introduced: 26 Nov 2020

CVE-2020-27770  (opens in a new tab)
CWE-190  (opens 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.

CVSS Scores

version 3.1