SB2017102341 - Input validation error in xorg-server (Alpine package)



SB2017102341 - Input validation error in xorg-server (Alpine package)

Published: October 23, 2017

Security Bulletin ID SB2017102341
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) Input validation error (CVE-ID: CVE-2017-12187)

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

xorg-x11-server before 1.19.5 was missing length validation in RENDER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.


Remediation

Install update from vendor's website.