[SECURITY-L] [USN-2941-1] Quagga vulnerabilities

[CSIRT - UNICAMP]

----- Forwarded message from Marc Deslauriers <marc.deslauriers em canonical.com> -----

Date: Thu, 24 Mar 2016 09:13:06 -0400
From: Marc Deslauriers <marc.deslauriers em canonical.com>
To: ubuntu-security-announce em lists.ubuntu.com
Subject: [USN-2941-1] Quagga vulnerabilities

==========================================================================
Ubuntu Security Notice USN-2941-1
March 24, 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

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

References:
  http://www.ubuntu.com/usn/usn-2941-1
  CVE-2013-2236, CVE-2016-2342

Package Information:
  https://launchpad.net/ubuntu/+source/quagga/0.99.24.1-2ubuntu0.1
  https://launchpad.net/ubuntu/+source/quagga/0.99.22.4-3ubuntu1.1
  https://launchpad.net/ubuntu/+source/quagga/0.99.20.1-0ubuntu0.12.04.4





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