[Full-disclosure] [Onapsis Security Advisory 2011-005] SAP Enterprise Portal Path Disclosure



Onapsis Security Advisory 2011-005: SAP Enterprise Portal Path Disclosure

This advisory can be downloaded in PDF format from http://www.onapsis.com/.
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1. Impact on Business
=====================

By exploiting this vulnerability, an internal or external attacker would be able to obtain sensitive technical information from a vulnerable SAP Enterprise Portal system, which can be highly useful in the next phases of his attacks.

- Risk Level: Low


2. Advisory Information
=======================

- Public Release Date: 2011-04-19

- Subscriber Notification Date: 2011-04-14

- Last Revised: 2011-04-14

- Security Advisory ID: ONAPSIS-2011-005

- Onapsis SVS ID: ONAPSIS-00038

- Researcher: Mariano Nuñez Di Croce


3. Vulnerability Information
============================

- Vendor: SAP

- Affected Components:

. EPBC2 7.00-7.02
. EP-PSERV 6.0_640
. EP-BASIS 7.10-7.11
. EP-BASIS 7.20
. EP-BASIS 7.31

(Check SAP Note 1513182 for detailed information on affected releases)

- Vulnerability Class: Path Disclosure

- 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-2011-005


4. Affected Components Description
==================================

According to the vendor, "SAP Enterprise Portal offers a single point of access to SAP and non-SAP information sources, enterprise applications, information repositories, databases, and services inside and outside your organization - all integrated in a single user experience".


5. Vulnerability Details
========================

It has been detected that the Enterprise Portal runtime presents descriptive error messages when special HTTP requests are processed, returning information about the filesystem structure were the component is deployed in the target system.

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 1513182 which provide patched versions of the affected components.

The patches can be downloaded from https://service.sap.com/sap/support/notes/1513182.

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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