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[Onapsis Security Advisory 2013-004] SAP J2EE Core Service Arbitrary File Access
Onapsis Security Advisory 2013-004: SAP J2EE Core Service Arbitrary File Access
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1. Impact on Business
By exploiting this vulnerability, a remote unauthenticated attacker might be able to access or modify all the business
information processed by the ERP system.
This would result in the total compromise of the SAP infrastructure.
Risk Level: Critical
2. Advisory Information
-- Public Release Date: 2013-02-21
-- Subscriber Notification Date: 2013-02-21
-- Last Revised: 2013-02-21
-- Security Advisory ID: ONAPSIS-2013-004
-- Onapsis SVS ID: ONAPSIS-00057
-- Researcher: Juan Perez-Etchegoyen
-- Initial Base CVSS v2: 10 (AV:N/AC:L/AU:N/C:C/I:C/A:C)
3. Vulnerability Information
-- Vendor: SAP
-- Affected Components:
* SAP J2EE Engine Core Services
(Check SAP Note 1682613 for detailed information on affected releases)
-- Vulnerability Class: Arbitrary File Read/Write
-- Remotely Exploitable: Yes
-- Locally Exploitable: No
-- Authentication Required: No
-- Original Advisory: http://www.onapsis.com/resources/get.php?resid=adv_onapsis-2013-004
4. Affected Components Description
SAP’s NetWeaver combines Java technologies with proven SAP programming models and technologies. With the Web Application
Server, SAP offers a runtime environment for Web applications that can be written both in ABAP and in Java. A fully
J2EE-compliant server has been integrated with the traditional SAP Web Application Server, providing fast connectivity
between applications written in Java and ABAP.
5. Vulnerability Details
The J2EE core services is a set of features exposed through different protocols. One of these services lacks of the
proper authentication and authorization features, allowing a remote unauthenticated attacker to read and write any file,
depending on the permissions of the SIDADM user.
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.
SAP has released SAP Note 1682613 which provide patched versions of the affected components.
The patches can be downloaded from https://service.sap.com/sap/support/notes/1682613.
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
2012-07-30: Onapsis provides vulnerability information to SAP A.G.
2012-07-31: SAP confirms reception of vulnerability submission.
2012-11-13: 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.
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
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
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