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TITLE:
Commtouch Enterprise Anti-Spam Gateway "PARAMS" Cross-Site Scripting

SECUNIA ADVISORY ID:
SA30876

VERIFY ADVISORY:
http://secunia.com/advisories/30876/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Commtouch Enterprise Anti-Spam Gateway 4.x
http://secunia.com/product/19187/
Commtouch Enterprise Anti-Spam Gateway 5.x
http://secunia.com/product/19186/

DESCRIPTION:
Erez Metula has reported a vulnerability in Commtouch Enterprise
Anti-Spam Gateway, which can be exploited by malicious people to
conduct cross-site scripting attacks.

Input passed to the "PARAMS" parameter in
AntiSpamGateway/UPM/English/login/login.asp is not properly sanitised
before being returned to a user. This can be exploited to execute
arbitrary HTML and script code in a user's browser session in context
of an affected site.

The vulnerability is reported in version 4 and 5. Other versions may
also be affected.

SOLUTION:
Filter malicious characters and character sequences using a web
proxy.

PROVIDED AND/OR DISCOVERED BY:
Erez Metula

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2008-June/062955.html

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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