SB2019042316 - Division by zero in ImageMagick



SB2019042316 - Division by zero in ImageMagick

Published: April 23, 2019 Updated: July 28, 2020

Security Bulletin ID SB2019042316
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Division by zero (CVE-ID: CVE-2019-11472)

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

ReadXWDImage in coders/xwd.c in the XWD image parsing component of ImageMagick 7.0.8-41 Q16 allows attackers to cause a denial-of-service (divide-by-zero error) by crafting an XWD image file in which the header indicates neither LSB first nor MSB first.


Remediation

Install update from vendor's website.