Onapsis Security Advisory 2011-003: SAP WebAS ITS Mobile Start Service Multiple
Vulnerabilities
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1. Impact on Business
=====================
By exploiting this vulnerability, an internal or external attacker would be
able to 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 social engineering attacks and/or
exploit vulnerabilities in their systems in order to take control of them.
- Risk Level: Medium
2. Advisory Information
=======================
- Public Release Date: 2011-04-19
- Subscriber Notification Date: 2011-04-14
- Last Revised: 2011-04-14
- Security Advisory ID: ONAPSIS-2011-003
- Onapsis SVS ID: ONAPSIS-00035
- Researcher: Mariano Nuñez Di Croce
3. Vulnerability Information
============================
- Vendor: SAP
- Affected Components:
. SAP BASIS 640
. SAP BASIS 700-702
. SAP BASIS 710-730
(Check SAP Note 1512134 for detailed information on affected releases)
- Vulnerability Class: Cross-Site Scripting / Open Redirect
- Remotely Exploitable: Yes
- Locally Exploitable: No
- Authentication Required: No
- Detection Module available in Onapsis X1: Yes
- BizRisk Illustration Module available in Onapsis X1: Yes
- Original Advisory:
http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2011-003
4. Affected Components Description
==================================
The SAP Web Application Server (WebAS) is the application platform of the SAP
NetWeaver, which is the basis for the other NetWeaver components. With the SAP
Web Application Server you can implement both server-based and client-based Web
applications.
5. Vulnerability Details
========================
It has been detected that the ITS Mobile Start service suffers from input
validation vulnerabilities and design weaknesses, which can be exploited to
perform XSS and arbitrary redirects attacks.
Further 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.
6. Solution
===========
SAP has released SAP Note 1512134 which provide patched versions of the
affected components.
The patches can be downloaded from
https://service.sap.com/sap/support/notes/1512134.
Onapsis strongly recommends SAP customers to download the related security
fixes and apply them to the affected components in order to reduce business
risks.
7. Report Timeline
==================
. 2010-09-22: Onapsis provides vulnerability information to SAP.
. 2010-09-23: SAP confirms reception of vulnerability submission.
. 2011-01-11: SAP releases security patches.
. 2011-04-14: Onapsis notifies availability of security advisory to
Onapsis Subscribers.
. 2011-04-19: Onapsis notifies availability of security advisory to
security mailing lists.
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.
About Onapsis
=============
Onapsis is the leading provider of solutions for the security of ERP systems
and business-critical 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-100 companies and
governmental entities.
Our star product, Onapsis X1, enables our customers to perform automated
Security & Compliance Audits, Vulnerability Assessments and Penetration Tests
over their SAP platform, helping them enforce compliance requirements, decrease
financial fraud risks an reduce audit costs drastically.
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@xxxxxxxxxxx and visit our website at www.onapsis.com.
Copyright (c) 2011 Onapsis SRL. All rights reserved.
This advisory may be distributed as long as its distribution is free-of-charge
and proper credit is given.
--------------------------------------------
The Onapsis Research Labs Team
Onapsis S.R.L
Email: research@xxxxxxxxxxx
Web: www.onapsis.com
PGP: http://www.onapsis.com/pgp/research.asc
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