Out-of-bounds Write Affecting imagemagick package, versions <8:6.7.7.10-6ubuntu3.13+esm11


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-UBUNTU1404-IMAGEMAGICK-1628408
  • published18 Oct 2024
  • disclosed8 Dec 2020

Introduced: 8 Dec 2020

CVE-2020-25664  (opens in a new tab)
CWE-787  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 imagemagick to version 8:6.7.7.10-6ubuntu3.13+esm11 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:14.04 relevant fixed versions and status.

In WriteOnePNGImage() of the PNG coder at coders/png.c, an improper call to AcquireVirtualMemory() and memset() allows for an out-of-bounds write later when PopShortPixel() from MagickCore/quantum-private.h is called. The patch fixes the calls by adding 256 to rowbytes. An attacker who is able to supply a specially crafted image could affect availability with a low impact to data integrity. This flaw affects ImageMagick versions prior to 6.9.10-68 and 7.0.8-68.

CVSS Scores

version 3.1