SB2017082423 - Out-of-bounds read in graphicsmagick (Alpine package)



SB2017082423 - Out-of-bounds read in graphicsmagick (Alpine package)

Published: August 24, 2017

Security Bulletin ID SB2017082423
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2017-12935)

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The ReadMNGImage function in coders/png.c in GraphicsMagick 1.3.26 mishandles large MNG images, leading to an invalid memory read in the SetImageColorCallBack function in magick/image.c.


Remediation

Install update from vendor's website.