Public Date:
802781: CVE-2012-0255 quagga (bgpd): Assertion failure by processing malformed AS4 capability in BGP OPEN message

The MITRE CVE dictionary describes this issue as:

The BGP implementation in bgpd in Quagga before does not properly use message buffers for OPEN messages, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a message associated with a malformed Four-octet AS Number Capability (aka AS4 capability).

Find out more about CVE-2012-0255 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 2.9
Base Metrics AV:A/AC:M/Au:N/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (quagga) RHSA-2012:1259 2012-09-12

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 quagga Not affected


Red Hat would like to thank the CERT/CC for reporting this issue. The CERT/CC acknowledges Martin Winter at as the original reporter.