USN-2941-1: Quagga vulnerabilities

24 March 2016

quagga vulnerabilities

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

  • Ubuntu 15.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

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

Software Description

  • quagga - BGP/OSPF/RIP routing daemon

Details

Kostya Kortchinsky discovered that Quagga incorrectly handled certain route data when configured with BGP peers enabled for VPNv4. A remote attacker could use this issue to cause Quagga to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-2342)

It was discovered that Quagga incorrectly handled messages with a large LSA when used in certain configurations. A remote attacker could use this issue to cause Quagga to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. (CVE-2013-2236)

Update instructions

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

Ubuntu 15.10
quagga - 0.99.24.1-2ubuntu0.1
Ubuntu 14.04 LTS
quagga - 0.99.22.4-3ubuntu1.1
Ubuntu 12.04 LTS
quagga - 0.99.20.1-0ubuntu0.12.04.4

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