Integer Overflow or Wraparound Affecting imagemagick package, versions <8:6.8.9.9-7ubuntu5.16+esm2


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-UBUNTU1604-IMAGEMAGICK-1136887
  • published11 Jun 2021
  • disclosed8 Dec 2020

Introduced: 8 Dec 2020

CVE-2020-25676  (opens in a new tab)
CWE-190  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Ubuntu:16.04 imagemagick to version 8:6.8.9.9-7ubuntu5.16+esm2 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 Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

In CatromWeights(), MeshInterpolate(), InterpolatePixelChannel(), InterpolatePixelChannels(), and InterpolatePixelInfo(), which are all functions in /MagickCore/pixel.c, there were multiple unconstrained pixel offset calculations which were being used with the floor() function. These calculations produced undefined behavior in the form of out-of-range and integer overflows, as identified by UndefinedBehaviorSanitizer. These instances of undefined behavior could be triggered by an attacker who is able to supply a crafted input file to be processed by ImageMagick. These issues could impact application availability or potentially cause other problems related to undefined behavior. This flaw affects ImageMagick versions prior to 7.0.9-0.

CVSS Scores

version 3.1