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TITLE:
Plunet BusinessManager Security Bypass and Script Insertion

SECUNIA ADVISORY ID:
SA34100

VERIFY ADVISORY:
http://secunia.com/advisories/34100/

DESCRIPTION:
Matteo Ignaccolo and Gabriele Zanoni have reported some
vulnerabilities in Plunet BusinessManager, which can be exploited by
malicious users to bypass certain security restrictions and conduct
script insertion attacks.

1) The application does not properly restrict access to customer
data. This can be exploited to disclose sensitive information (e.g.
customer data, orders, and jobs) by manually setting customer, order,
and job identifiers in the URL.

2) Input passed to the "QUB" and "Bez74" parameters in
pagesUTF8/auftrag_allgemeinauftrag.jsp is not properly sanitised
before being used. This can be exploited to insert arbitrary HTML and
script code, which will be executed in a user's browser session in the
context of an affected site when the malicious data is viewed.

The vulnerabilities are reported in version 4.1. Other versions may
also be affected.

SOLUTION:
Update to version 4.2 or later.

PROVIDED AND/OR DISCOVERED BY:
Matteo Ignaccolo and Gabriele Zanoni, Secure Network.

ORIGINAL ADVISORY:
http://www.securenetwork.it/ricerca/advisory/download/SN-2008-04.txt

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