Ubuntu 6.06 LTS / 8.04 LTS / 9.10 / 10.04 LTS / 10.10 : quagga vulnerabilities (USN-1095-1)

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


Synopsis :

The remote Ubuntu host is missing one or more security-related patches.

Description :

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).

Solution :

Update the affected quagga and / or quagga-doc packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.1
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 53219 ()

Bugtraq ID: 46942
46943

CVE ID: CVE-2010-1674
CVE-2010-1675