Public Date:
654603: CVE-2010-1674 quagga: DoS (crash) by processing malformed extended community attribute in a route

The MITRE CVE dictionary describes this issue as:

The extended-community parser in bgpd in Quagga before 0.99.18 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed Extended Communities attribute.

Find out more about CVE-2010-1674 from the MITRE CVE dictionary dictionary and NIST NVD.


Vulnerable. This issue affects quagga packages in Red Hat Enterprise Linux 4 and 5. The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.

CVSS v2 metrics

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

Base Score 1.8
Base Metrics AV:A/AC:H/Au:N/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity High
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-2011:0406 2011-03-31
Red Hat Enterprise Linux version 5 (quagga) RHSA-2012:1258 2012-09-12

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 4 quagga Will not fix