Ubuntu 11.04 / 11.10 / 12.04 LTS : isc-dhcp vulnerabilities (USN-1519-1)

Ubuntu Security Notice (C) 2012-2013 Canonical, Inc. / NASL script (C) 2012-2013 Tenable Network Security, Inc.


Synopsis :

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

Description :

Markus Hietava discovered that the DHCP server incorrectly handled
certain malformed client identifiers. A remote attacker could use this
issue to cause DHCP to crash, resulting in a denial of service.
(CVE-2012-3571)

Glen Eustace discovered that the DHCP server incorrectly handled
memory. A remote attacker could use this issue to cause DHCP to crash,
resulting in a denial of service. (CVE-2012-3954).

Solution :

Update the affected isc-dhcp-server package.

Risk factor :

Medium / CVSS Base Score : 6.1
(CVSS2#AV:A/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 60137 ()

Bugtraq ID: 54665

CVE ID: CVE-2012-3571
CVE-2012-3954