Ubuntu 11.04 / 11.10 : isc-dhcp vulnerability (USN-1309-1)

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


Synopsis :

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

Description :

It was discovered that the DHCP server incorrectly handled certain
malformed packets when configured to evaluate regular expressions. 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 isc-dhcp-server package.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 57321 ()

Bugtraq ID:

CVE ID: CVE-2011-4539

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