SB2017080408 - Use-after-free in graphicsmagick (Alpine package)



SB2017080408 - Use-after-free in graphicsmagick (Alpine package)

Published: August 4, 2017

Security Bulletin ID SB2017080408
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) Use-after-free (CVE-ID: CVE-2017-11403)

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

The ReadMNGImage function in coders/png.c in GraphicsMagick 1.3.26 has an out-of-order CloseBlob call, resulting in a use-after-free via a crafted file.


Remediation

Install update from vendor's website.