USN-3102-1: Quagga vulnerabilities

Releases

• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

• quagga - BGP/OSPF/RIP routing daemon

Details

It was discovered that Quagga incorrectly handled dumping data. A remote
attacker could possibly use a large BGP packet to cause Quagga to crash,
resulting in a denial of service. (CVE-2016-4049)

It was discovered that the Quagga package incorrectly set permissions on
the configuration directory. A local user could use this issue to possibly
obtain sensitive information. (CVE-2016-4036)

Update instructions

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

Ubuntu 16.04

• quagga - 0.99.24.1-2ubuntu1.1

Ubuntu 14.04

• quagga - 0.99.22.4-3ubuntu1.2

Ubuntu 12.04

• quagga - 0.99.20.1-0ubuntu0.12.04.5

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

References

• CVE-2016-4036
• CVE-2016-4049