SuSE 10 Security Update : dhcp (ZYPP Patch Number 7451)

This script is Copyright (C) 2011-2012 Tenable Network Security, Inc.


Synopsis :

The remote SuSE 10 host is missing a security-related patch.

Description :

A rogue DHCP server could instruct clients to use a host name that
contains shell meta characters. Since many scripts in the system do
not expect unusal characters in the system's host name the DHCP client
needs to sanitize the host name offered by the server. (CVE-2011-0997)

Note: this is a re-release of the security update. The previous update
caused the DHCP client to reject domain names with spaces. That
behavior is RFC conform but in practice some DHCP servers use the
domain name field to set the DNS search list. Spaces are allowed again
now but future products may enforce RFC compliance again. DHCP server
administrators are advised to check their server setup.

See also :

http://support.novell.com/security/cve/CVE-2011-0997.html

Solution :

Apply ZYPP patch number 7451.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
Public Exploit Available : true

Family: SuSE Local Security Checks

Nessus Plugin ID: 57180 ()

Bugtraq ID:

CVE ID: CVE-2011-0997

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