USN-1605-1: Quagga vulnerability

Ubuntu Security Notice USN-1605-1

11th October, 2012

quagga vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 LTS
  • Ubuntu 11.10
  • Ubuntu 11.04
  • Ubuntu 10.04 LTS

Summary

Quagga could be made to crash if it received specially crafted network traffic.

Software description

  • quagga - BGP/OSPF/RIP routing daemon

Details

It was discovered that Quagga incorrectly handled certain malformed
messages. A remote attacker could use this flaw to cause Quagga to crash,
resulting in a denial of service.

Update instructions

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

Ubuntu 12.04 LTS:
quagga 0.99.20.1-0ubuntu0.12.04.3
Ubuntu 11.10:
quagga 0.99.20.1-0ubuntu0.11.10.3
Ubuntu 11.04:
quagga 0.99.20.1-0ubuntu0.11.04.3
Ubuntu 10.04 LTS:
quagga 0.99.20.1-0ubuntu0.10.04.3

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Quagga to make all the
necessary changes.

References

CVE-2012-1820