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Ubuntu 12.04 LTS: USN-1605-1 High: Quagga Denial Of Service

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Calendar Grey October 11, 2012
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A vulnerability in Quagga enables specially designed network packets to trigger a system crash. It's essential to update Ubuntu installations to address potential threats.
Quagga could be made to crash if it received specially crafted network traffic.

Summary

Quagga could be made to crash if it received specially crafted network

traffic.

Software Description:

- quagga: BGP/OSPF/RIP routing daemon

Details:

It was discovered that Quagga incorrectly handled certain malformed

messages. A remote attacker could use this flaw to cause Quagga to crash,

resulting in a denial of service.

Update Instructions

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

Ubuntu 12.04 LTS:
  quagga                          0.99.20.1-0ubuntu0.12.04.3

Ubuntu 11.10:
  quagga                          0.99.20.1-0ubuntu0.11.10.3

Ubuntu 11.04:
  quagga                          0.99.20.1-0ubuntu0.11.04.3

Ubuntu 10.04 LTS:
  quagga                          0.99.20.1-0ubuntu0.10.04.3

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

References

https://ubuntu.com/security/notices/USN-1605-1

CVE-2012-1820

October 11, 2012

Package Information

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