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USN-1261-1: Quagga vulnerabilities

14 November 2011

Quagga could be made to crash or run programs if it received specially crafted network traffic.

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Releases

Packages

  • quagga - BGP/OSPF/RIP routing daemon

Details

Riku Hietamäki, Tuomo Untinen and Jukka Taimisto 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-2011-3323)

Riku Hietamäki, Tuomo Untinen and Jukka Taimisto discovered that Quagga
incorrectly handled certain IPv6 Database Description messages. A remote
attacker could use this flaw to cause Quagga to crash, resulting in a
denial of service. (CVE-2011-3324)

Riku Hietamäki, Tuomo Untinen and Jukka Taimisto discovered that Quagga
incorrectly handled certain IPv4 packets. A remote attacker could use this
flaw to cause Quagga to crash, resulting in a denial of service.
(CVE-2011-3325)

Riku Hietamäki, Tuomo Untinen and Jukka Taimisto discovered that Quagga
incorrectly handled invalid Link State Advertisement (LSA) types. A remote
attacker could use this flaw to cause Quagga to crash, resulting in a
denial of service. (CVE-2011-3326)

Riku Hietamäki, Tuomo Untinen and Jukka Taimisto discovered that Quagga
incorrectly handled certain BGP UPDATE messages. A remote attacker could
use this flaw to cause Quagga to crash, or possibly execute arbitrary
code. (CVE-2011-3327)

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 11.10
Ubuntu 11.04
Ubuntu 10.10
Ubuntu 10.04

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