Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 : dhcp3, isc-dhcp vulnerabilities (USN-1190-1)

Ubuntu Security Notice (C) 2011-2016 Canonical, Inc. / NASL script (C) 2011-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

David Zych discovered that DHCP incorrectly handled certain malformed
packets. A remote attacker could use this issue to cause DHCP to
crash, resulting in a denial of service.

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 dhcp3-server and / or isc-dhcp-server packages.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 6.8
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 55857 ()

Bugtraq ID: 49120

CVE ID: CVE-2011-2748
CVE-2011-2749

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