1. Ubuntu Security Notices
  2. USN-775-1

USN-775-1: Quagga vulnerability

Publication date

12 May 2009

Overview

Quagga vulnerability

Releases

Packages

Details

It was discovered that the BGP service in Quagga did not correctly
handle certain AS paths containing 4-byte ASNs. An authenticated remote
attacker could exploit this flaw to cause bgpd to abort, leading to a
denial of service.

It was discovered that the BGP service in Quagga did not correctly
handle certain AS paths containing 4-byte ASNs. An authenticated remote
attacker could exploit this flaw to cause bgpd to abort, leading to a
denial of service.

Update instructions

In general, a standard system upgrade is sufficient to effect the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
9.04 jaunty quagga –  0.99.11-1ubuntu0.1
8.10 intrepid quagga –  0.99.9-6ubuntu0.1
8.04 hardy quagga –  0.99.9-2ubuntu1.2
6.06 dapper quagga –  0.99.2-1ubuntu3.5

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References

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