SB2013121011 - Input validation error in quagga (Alpine package)
Published: December 10, 2013
Security Bulletin ID
SB2013121011
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- 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.