Integer Overflow or Wraparound Affecting ImageMagick/ImageMagick package, versions [,6.9.10-68)[7.0.0-0,7.0.8-68)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.06% (31st percentile)

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  • Snyk IDSNYK-UNMANAGED-IMAGEMAGICKIMAGEMAGICK-3007665
  • published26 Jan 2022
  • disclosed4 Dec 2020
  • creditUnknown

Introduced: 4 Dec 2020

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

How to fix?

Upgrade ImageMagick/ImageMagick to version 6.9.10-68, 7.0.8-68 or higher.

Overview

Affected versions of this package are vulnerable to Integer Overflow or Wraparound. 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