SB2014010709 - Input validation error in xorg-server (Alpine package)



SB2014010709 - Input validation error in xorg-server (Alpine package)

Published: January 7, 2014

Security Bulletin ID SB2014010709
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) Input validation error (CVE-ID: CVE-2013-6424)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Integer underflow in the xTrapezoidValid macro in render/picture.h in X.Org allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.


Remediation

Install update from vendor's website.