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TITLE:
Linksys SPA941 Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA27116

VERIFY ADVISORY:
http://secunia.com/advisories/27116/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

OPERATING SYSTEM:
Linksys SPA941 VoIP Phone
http://secunia.com/product/14032/

DESCRIPTION:
Radu State has reported a vulnerability in Linksys SPA941, which can
be exploited by malicious people to conduct script insertion
attacks.

Input passed via the "From" field in a SIP message is not properly
sanitised before being displayed in the integrated web interface of
the device. This can be exploited to insert arbitrary HTML and script
code, which is executed in a user's browser session in context of the
web interface when the user views the call history.

The vulnerability is reported in firmware version 5.1.8. Other
versions may also be affected.

SOLUTION:
Do not use the call history in the integrated web interface.

PROVIDED AND/OR DISCOVERED BY:
Radu State

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2007-October/066430.html

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