Portal Pack 6 XSS vuln.

Portal Pack 6 XSS vuln.

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Vuln. discovered by : r0t
Date: 20 april 2006
vendor:www.kcscripts.com/scripts/portal-pack.htm
affected versions:6.0 and prior
orginal advisoy:
http://pridels.blogspot.com/2006/04/portal-pack-6-xss-vuln.html
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Vuln. Description:

Portal Pack contains a flaws that allows a remote cross site scripting
attacks.
Those flaws exists because input passed to "sort_order" parameter in
"calendar/Visitor.cgi" and "news/NsVisitor.cgi" and input passed to"q"
parameter in "search/search.cgi" and input passed to "cat_id" parameter in
"classifieds/viewcat.cgi" isn't properly sanitised before being returned to
the user.
This could allow a user to create a specially crafted URL that would execute
arbitrary code in a user's browser within the trust relationship between the
browser and the server, leading to a loss of integrity.

examples:

/cgi-bin/calendar/Visitor.cgi?job=view_event&eventNo=
0&sort_order=[XSS]

/cgi-bin/news/NsVisitor.cgi?job=view_article&articleNo=
0&sort_order=[XSS]

/cgi-bin/search/search.cgi?q=[XSS]

/cgi-bin/classifieds/viewcat.cgi?cat_id=[XSS]

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Solution:
Edit the source code to ensure that input is properly sanitised.
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More information @ unsecured-systems.com/forum/