Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : quagga vulnerabilities (USN-1261-1)

Ubuntu Security Notice (C) 2011-2013 Canonical, Inc. / NASL script (C) 2011-2013 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

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).

Solution :

Update the affected quagga package.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.5
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 56853 ()

Bugtraq ID: 49784

CVE ID: CVE-2011-3323
CVE-2011-3324
CVE-2011-3325
CVE-2011-3326
CVE-2011-3327