Ubuntu Security Notice 3102-1 - 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. 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.
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Ubuntu Security Notice USN-3102-1
October 13, 2016
quagga vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary:
Several security issues were fixed in Quagga.
Software Description:
- 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 LTS:
quagga 0.99.24.1-2ubuntu1.1
Ubuntu 14.04 LTS:
quagga 0.99.22.4-3ubuntu1.2
Ubuntu 12.04 LTS:
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:
https://www.ubuntu.com/usn/usn-3102-1
CVE-2016-4036, CVE-2016-4049
Package Information:
https://launchpad.net/ubuntu/+source/quagga/0.99.24.1-2ubuntu1.1
https://launchpad.net/ubuntu/+source/quagga/0.99.22.4-3ubuntu1.2
https://launchpad.net/ubuntu/+source/quagga/0.99.20.1-0ubuntu0.12.04.5