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SAP SDM Denial Of Service

SAP SDM Denial Of Service
Posted Feb 22, 2013
Authored by Mariano Nunez Di Croce, Jordan Santarsieri | Site onapsis.com

Onapsis Security Advisory - The SDM suffers from a design vulnerability in the way it handles failed user authentication attempts, generating a denial of service condition if some conditions are met. This can be abused by a malicious attacker to disrupt this service.

tags | advisory, denial of service
SHA-256 | b9fa27961da95e0e64a0970f55bd1166292455bd7ad40a519c24ce582e12a1ec

SAP SDM Denial Of Service

Change Mirror Download
Onapsis Security Advisory 2013-002: SAP SDM Denial of Service

This advisory can be downloaded in PDF format from http://www.onapsis.com/.
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, as well asexclusive access
to special promotions for upcoming trainings and conferences.


1. Impact on Business
=====================
By exploiting this vulnerability, an attacker would be able to perform a sabotage attack over the service used to deploy
and change software components in the SAP AS Java.

This would prevent legitimate developers and administrators from performing and maintain required business and technical
activities.

Risk Level: Medium

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

-- Public Release Date: 2013-02-21

-- Subscriber Notification Date: 2013-02-21

-- Last Revised: 2013-02-21

-- Security Advisory ID: ONAPSIS-2013-002

-- Onapsis SVS ID: ONAPSIS-00042

-- Researcher: Mariano Nunez / Jordan Santarsieri

-- Initial Base CVSS v2: 5.0 (AV:N/AC:L/AU:N/C:N/I:N/A:P)

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

-- Vendor: SAP

-- Affected Components:

* SAP J2EE SDM
(Check SAP Note 1586419 for detailed information on affected releases)

-- Vulnerability Class: Denial of Service

-- Remotely Exploitable: Yes

-- Locally Exploitable: No

-- Authentication Required: No

-- Original Advisory: http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2013-002

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

The Software Deployment Manager (SDM) is the standard tool that you use to install J2EE components on the SAP J2EE
Engine. The SDM is a client/server application. The SDM Server runs on the SAP J2EE Engine side. This server is started
automatically with the J2EE Engine. A graphical user interface is available as a client. [1]

[1] http://help.sap.com/saphelp_nw04/helpdata/en/63/2c4f65a54c4a4db1a3600397ae617f/content.htm

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

The SDM suffers from a design vulnerability, in the way it handles failed user authentication attempts, generating a
Denial of Service condition if some conditions are met. This can be abused by a malicious attacker to disrupt this service.

Additional 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 1586419 which provide patched versions of the affected components.
The patches can be downloaded from https://service.sap.com/sap/support/notes/1586419.

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
==================

2011-01-24: Onapsis provides vulnerability information to SAP.
2011-08-09: SAP releases security patches.
2013-02-21: 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@onapsis.com and visit our website at www.onapsis.com.

Copyright (c) 2013 Onapsis Inc. All rights reserved.
This advisory may be distributed as long as its distribution is free-of-charge and proper credit is given.
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