USN-3102-1: Quagga vulnerabilities

Publication date

13 October 2016

Overview

Several security issues were fixed in Quagga.


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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial quagga –  0.99.24.1-2ubuntu1.1
14.04 trusty quagga –  0.99.22.4-3ubuntu1.2
12.04 precise quagga –  0.99.20.1-0ubuntu0.12.04.5

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