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TITLE:
PortalApp Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA28337

VERIFY ADVISORY:
http://secunia.com/advisories/28337/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, Cross Site Scripting, Manipulation of data

WHERE:
>From remote

SOFTWARE:
PortalApp 4.x
http://secunia.com/product/17143/

DESCRIPTION:
r3dm0v3 has reported some vulnerabilities in PortalApp, which can be
exploited by malicious people to conduct cross-site scripting and SQL
injection attacks or bypass certain security restrictions.

1) Input passed to the "keywords" parameter in forums.asp and
content.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.

This is related to:
SA14749

2) Input passed to the "sortby" parameter in forums.asp is not
properly sanitised before being used in SQL queries. This can be
exploited to manipulate SQL queries by injecting arbitrary SQL code.

3) Access to various functions in forums.asp and Content.asp is not
properly restricted. This can be exploited to e.g. create forums and
topics, or to delete forums, topics, and replies by sending specially
crafted requests.

The vulnerabilities are reported in version 4.0. Other versions may
also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised and
access to dangerous actions is properly restricted.

PROVIDED AND/OR DISCOVERED BY:
r3dm0v3

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/4848

OTHER REFERENCES:
SA14749:
http://secunia.com/advisories/14749/

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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.

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Please Note:
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Secunia NEVER sends attached files with advisories.
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