Onapsis Security Advisory 2013-003: SAP Enterprise Portal Cross-Site-Scripting
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By exploiting this vulnerability, an internal or external attacker would be able perform attacks on the Organization's users through weaknesses in the SAP system.
Upon a successful exploitation, he would be able to obtain sensitive information from legitimate users through complex social engineering attacks and/or exploit vulnerabilities in their systems in order to take control of them.
Risk Level: Medium
-- Public Release Date: 2013-02-21
-- Subscriber Notification Date: 2013-02-21
-- Last Revised: 2013-02-21
-- Security Advisory ID: ONAPSIS-2013-003
-- Onapsis SVS ID: ONAPSIS-00044
-- Researcher: Jordan Santarsieri
-- Initial Base CVSS v2: 4.3 (AV:N/AC:M/AU:N/C:N/I:P/A:N)
-- Vendor: SAP
-- Affected Components:
-- Vulnerability Class: Cross-Site-Scripting
-- Remotely Exploitable: Yes
-- Locally Exploitable: No
-- Authentication Required: No
-- Original Advisory: http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2013-003
SAP® Enterprise Portal (SAP® EP) unifies enterprise applications, information, and services from SAP and non-SAP sources into one system to support business processes, both within and across company boundaries. SAP Enterprise Portal is a building block of SAP NetWeaverTM – a total integration and application platform designed to unify and align people, information, and business processes across technologies and organizations . 
 SAP BWP Portal Infrastructure
As the server does not perform a proper security validation on the input parameters, it is possible to inject DHTML code that would be rendered to the user accessing the link.
Technical details about this issue are not disclosed at this moment with the purpose of providing enough time to affected customers to patch their systems and protect against the exploitation of the described vulnerability.
SAP has released SAP Note 1589716 which provide patched versions of the affected components. The patches can be downloaded from https://service.sap.com/sap/support/notes/1589716.
Onapsis strongly recommends SAP customers to download the related security fixes and apply them to the affected components in order to reduce business risks.
2011-03-09: Onapsis provides vulnerability information to SAP. 2011-11-08: SAP releases security patches. 2013-02-21: Onapsis notifies availability of security advisory to security mailing lists.
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With that objective in mind, a special unit ? the Onapsis Research Labs ? has been developed since the creation of the company. The experts involved in this special team lead the public research trends in this matter, having discovered and published many of the public security vulnerabilities in these platforms.
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