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[Onapsis Security Advisory 2010-003] SAP WebDynpro Runtime XSS/CSS Injection

2010-02-22T00:00:00
ID SECURITYVULNS:DOC:23267
Type securityvulns
Reporter Securityvulns
Modified 2010-02-22T00:00:00

Description

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Onapsis Security Advisory 2010-00: SAP WebDynpro Runtime XSS/CSS Injection

This advisory can be downloaded from http://www.onapsis.com/research.html. By downloading this advisory from the Onapsis Resource Center, you will gain access to beforehand information on upcoming advisories, presentations and new research projects from the Onapsis Research Labs.

1. Impact on Business

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

2. Advisory Information

    • Release Date: 2010-02-10
    • Last Revised: 2010-02-10
    • Security Advisory ID: ONAPSIS-2010-003
    • Onapsis SVS ID: ONAPSIS-000004
    • Researcher: Mariano Nuñez Di Croce

3. Vulnerability Information

    • Vendor: SAP

    • Affected Components:

      . SAP NetWeaver 2004 < SP21 . SAP NetWeaver 2004s < SP13

    • Vulnerability Class: HTML Code Injection
    • Remotely Exploitable: Yes
    • Locally Exploitable: Yes
    • Authentication Required: No

4. Affected Components Description

Web Dynpro is a client-independent programming model of the SAP NetWeaver technology platform for developing user interfaces for professional business applications. It is based on the Model View Controller (MVC) paradigm which ensures that the business logic is separated from the presentation logic.

The SAP Enterprise Portal and Web Dynpro for Java are the strategic user interface technologies of SAP and are based on the SAP Web Application Server (WebAS) Java.

5. Vulnerability Details

The WebDynpro Runtime suffers from a Cross-Site Scripting / CSS Injection vulnerability, which may enable remote attacks to perform different kind of attacks over SAP users.

Onapsis is not distributing technical details about this issue to the general public at this moment in order to provide enough time to affected customers to patch their systems and protect against the exploitation of the described vulnerability.

6. Solution

SAP has released SAP Note 1424863, which provides a patched version of the affected components.

This patch can be downloaded from https://service.sap.com/sap/support/notes/1424863 .

Onapsis strongly recommends SAP customers to download the related security fix and apply it to the affected components in order to reduce business risks.

7. Report Timeline

    . 2009-11-24: Onapsis provides vulnerability information to SAP.
    . 2009-11-24: SAP confirms reception of vulnerability submission.
    . 2010-02-09: SAP releases security patch.
    . 2010-02-10: Onapsis releases security advisory.

8. About Onapsis Research Labs

Onapsis is continuously investing resources in the research of the security of business critical systems and applications.

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.

The outcome of this advanced and cutting-edge research is continuously provided to the Onapsis Consulting and Development teams, improving the quality of our solutions and enabling our customers to be protected from the latest risks to their critical business information.

Furthermore, the results of this research projects are usually shared with the general security and professional community, encouraging the sharing of information and increasing the common knowledge in this field.

9. About Onapsis

Onapsis is the leading provider of solutions for the security of business-critical systems and applications.

Through different innovative products and services, Onapsis helps its global customers to effectively increase the security level of their core business platforms, protecting their information and decreasing financial fraud risks.

Onapsis is built upon a team of world-renowned experts in the SAP security field, with several years of experience in the assessment and protection of critical platforms in world-wide customers, such as Fortune-500 companies and governmental entities.

Some of our featured services include SAP Penetration Testing, SAP Gateway & RFC security, SAP Enterprise Portal security assessment, Security Support for SAP Implementations and Upgrades, SAP System Hardening and SAP Technical Security Audits.

For further information about our solutions, please contact us at info@onapsis.com and visit our website at www.onapsis.com.

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