Ubuntu Security Notice USN-461-1
17th May, 2007
quagga vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.04
- Ubuntu 6.10
- Ubuntu 6.06 LTS
Details
It was discovered that Quagga did not correctly verify length
information sent from configured peers. Remote malicious peers could
send a specially crafted UPDATE message which would cause bgpd to abort,
leading to a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.04:
- quagga 0.99.6-2ubuntu3.1
- Ubuntu 6.10:
- quagga 0.99.4-4ubuntu1.1
- Ubuntu 6.06 LTS:
- quagga 0.99.2-1ubuntu3.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.