SB2017082421 - NULL pointer dereference in graphicsmagick (Alpine package)



SB2017082421 - NULL pointer dereference in graphicsmagick (Alpine package)

Published: August 24, 2017

Security Bulletin ID SB2017082421
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) NULL pointer dereference (CVE-ID: CVE-2017-11642)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the WriteMAPImage() function in coders/map.c when processing a non-colormapped image, a different vulnerability than CVE-2017-11638. A remote attacker can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.