Quagga could be made to crash or run programs if it received specially crafted network traffic.
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)
14 November 2011
A security issue affects these releases of Ubuntu and its derivatives:
Quagga could be made to crash or run programs if it received specially crafted network traffic.
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)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon