SB2014011412 - Amazon Linux AMI update for quagga



SB2014011412 - Amazon Linux AMI update for quagga

Published: January 14, 2014

Security Bulletin ID SB2014011412
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-2013-6051)

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

The bgp_attr_unknown function in bgp_attr.c in Quagga 0.99.21 does not properly initialize the total variable, which allows remote attackers to cause a denial of service (bgpd crash) via a crafted BGP update.


Remediation

Install update from vendor's website.