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USN-1095-1: Quagga vulnerabilities

29 March 2011

An attacker could send crafted input to Quagga and cause it to crash.

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Releases

Packages

  • quagga - BGP/OSPF/RIP routing daemon

Details

It was discovered that Quagga incorrectly parsed certain malformed extended
communities. A remote attacker could use this flaw to cause Quagga to
crash, resulting in a denial of service. (CVE-2010-1674)

It was discovered that Quagga resets BGP sessions when encountering
malformed AS_PATHLIMIT attributes. A remote attacker could use this flaw to
disrupt BGP sessions, resulting in a denial of service. This update removes
AS_PATHLIMIT support from Quagga. This issue only affected Ubuntu 8.04 LTS,
9.10, 10.04 LTS and 10.10. (CVE-2010-1675)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 9.10
Ubuntu 8.04
Ubuntu 6.06
Ubuntu 10.10
Ubuntu 10.04

In general, a standard system update will make all the necessary changes.