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TITLE:
Belkin Wireless G Plus Router DHCP Client Hostname Script Insertion

SECUNIA ADVISORY ID:
SA26059

VERIFY ADVISORY:
http://secunia.com/advisories/26059/

CRITICAL:
Not critical

IMPACT:
Cross Site Scripting

WHERE:
>From local network

OPERATING SYSTEM:
Belkin Wireless G Plus Router
http://secunia.com/product/14778/

DESCRIPTION:
Nico Leidecker has reported a vulnerability in the Belkin Wireless G
Plus Router, which can be exploited by malicious people to conduct
script insertion attacks.

Input passed via the hostname when listing DHCP clients is not
properly sanitised before being used. This can be exploited to
execute arbitrary HTML and script code in an administrator's browser
session in context of an affected interface.

The vulnerability is reported in Belkin Wireless G Plus Router
(F5D7231-4) with firmware version 4.05.03. Other versions may also be
affected.

SOLUTION:
List DHCP clients in a trusted network environment only.

PROVIDED AND/OR DISCOVERED BY:
Nico Leidecker, Portcullis Computer Security Ltd.

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20070710/98374694/attachment-0033.txt

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