USN-1441-1: Quagga vulnerabilities

Releases

• Ubuntu 12.04
• Ubuntu 11.10
• Ubuntu 11.04
• Ubuntu 10.04

Packages

• quagga - BGP/OSPF/RIP routing daemon

Details

It was discovered that Quagga incorrectly handled Link State Update
messages with invalid lengths. A remote attacker could use this flaw to
cause Quagga to crash, resulting in a denial of service. (CVE-2012-0249,
CVE-2012-0250)

It was discovered that Quagga incorrectly handled messages with a malformed
Four-octet AS Number Capability. A remote attacker could use this flaw to
cause Quagga to crash, resulting in a denial of service. (CVE-2012-0255)

Update instructions

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

Ubuntu 12.04

• quagga - 0.99.20.1-0ubuntu0.12.04.2

Ubuntu 11.10

• quagga - 0.99.20.1-0ubuntu0.11.10.2

Ubuntu 11.04

• quagga - 0.99.20.1-0ubuntu0.11.04.2

Ubuntu 10.04

• quagga - 0.99.20.1-0ubuntu0.10.04.2

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart Quagga to make
all the necessary changes.

References

• CVE-2012-0249
• CVE-2012-0250
• CVE-2012-0255