USN-1261-1: Quagga vulnerabilities
14 November 2011
Quagga could be made to crash or run programs if it received specially crafted network traffic.
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)
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.