Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : dhcp vulnerability (USN-531-2)

Ubuntu Security Notice (C) 2007-2016 Canonical, Inc. / NASL script (C) 2007-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

USN-531-1 fixed vulnerabilities in dhcp. The fixes were incomplete,
and only reduced the scope of the vulnerability, without fully solving
it. This update fixes the problem.

Nahuel Riva and Gerardo Richarte discovered that the DHCP server did
not correctly handle certain client options. A remote attacker could
send malicious DHCP replies to the server and execute arbitrary code.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected dhcp, dhcp-client and / or dhcp-relay packages.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 28137 ()

Bugtraq ID:

CVE ID: CVE-2007-5365
CVE-2008-5010

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