USN-2941-1: Quagga vulnerabilities

Ubuntu Security Notice USN-2941-1

24th 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 version:

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

CVE-2013-2236, CVE-2016-2342