USN-1095-1: Quagga vulnerabilities

Releases

• Ubuntu 10.10
• Ubuntu 10.04
• Ubuntu 9.10
• Ubuntu 8.04
• Ubuntu 6.06

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)

Update instructions

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

Ubuntu 9.10

• quagga - 0.99.13-1ubuntu0.2

Ubuntu 8.04

• quagga - 0.99.9-2ubuntu1.5

Ubuntu 6.06

• quagga - 0.99.2-1ubuntu3.8

Ubuntu 10.10

• quagga - 0.99.17-1ubuntu0.1

Ubuntu 10.04

• quagga - 0.99.15-1ubuntu0.2

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

References

• CVE-2010-1675
• CVE-2010-1674