SB2018020804 - Denial of service in GraphicsMagick



SB2018020804 - Denial of service in GraphicsMagick

Published: February 8, 2018

Security Bulletin ID SB2018020804
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap overwrite (CVE-ID: CVE-2018-6799)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the AcquireCacheNexus function in the magick/pixel_cache.c source code due to heap overwrite. A remote attacker can submit a specially crafted image file, trigger memory corruption and cause the service to crash.

Remediation

Install update from vendor's website.