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From: Onapsis Research Labs (researchonapsis.com)
Date: Wed Jun 16 2010 - 15:37:52 CDT
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Onapsis Security Advisory 2010-005: SAP J2EE Telnet Administration Security Check Bypass
This advisory can be downloaded in PDF format from http://www.onapsis.com/research.html.
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1. Impact on Business
By exploiting this vulnerability, an internal or external attacker would be able to retrieve sensitive technical information from the SAP J2EE system.
This information can be used to replay authentication credentials and perform sensitive operations over the SAP landscape, possibly taking remote
control of the affected systems.
- - Risk Level: Medium
2. Advisory Information
- - Release Date: 2010-06-16
- - Last Revised: 2010-06-16
- - Security Advisory ID: ONAPSIS-2010-005
- - Onapsis SVS ID: ONAPSIS-00003
- - Researcher: Mariano Nuñez Di Croce
3. Vulnerability Information
- - Vendor: SAP
- - Affected Components:
. SAP-JEECOR 6.40
. SAP-JEECOR 7.00
. SAP-JEECOR 7.01
. SAP-JEECOR 7.02
. SERVERCORE 7.10
. SERVERCORE 7.11
. SERVERCORE 7.20
. SERVERCORE 7.30
(Check SAP Note 1425847 for detailed information on affected releases)
- - Vulnerability Class: SMB Relay
- - Remotely Exploitable: Yes
- - Locally Exploitable: Yes
- - Authentication Required: Yes
- - Original Advisory: http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2010-005
4. Affected Components Description
The SAP J2EE Engine is a key component of the SAP NetWeaver application platform, which enables the development and execution of Java solutions in SAP
The J2EE Engine is the component on which, for example, the SAP Enterprise Portal solution is built and executed.
5. Vulnerability Details
The J2EE Engine contains a Telnet interface, which enables the administration of certain components of the SAP J2EE instances. Due to an error in the
validation of command arguments, it is possible to bypass certain security restrictions and perform SMB relay attacks against the system.
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.
SAP has released SAP Note 1425847, which provides a patched version of the affected components.
This patch can be downloaded from https://service.sap.com/sap/support/notes/1425847
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.
. 2010-05-12: SAP releases security patch.
. 2010-06-16: Onapsis releases security advisory.
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
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.
Onapsis is the leading provider of solutions for the security of ERP and 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 infoonapsis.com and visit our website at www.onapsis.com.
Copyright (c) 2010 Onapsis SRL. 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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