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Whitepaper on which a presentation "A crushing blow at the heart of SAP J2EE Engine" from BlackHat USA 2011 was based.
Author: Alexander Polyakov
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Today, SAP NetWeaver is the most widespread platform for developing enterprise business applications. This talk will focus on one of the black holes called SAP J2EE engine.
Some of the critical SAP products like SAP Portal, SAP Mobile, SAP XI and many other applications lay on J2EE engine which is apart from ABAP engine is less discussed but also critical. We will explain the architecture of SAP’s J2EE engine and give a complete tour into its internals. Thereafter, we will show a number of previously unknown architecture and program vulnerabilities from auth bypasses, smbrelays, internal scans, xml/soap attacks to insecure encryption algorithms and cross-system vulnerabilities in J2EE platform.
Finally a chained attack which use multiple logic vulnerabilities and gives full control on SAP’s J2EE Engine will be demoed. A free tool will also be presented to automatically scan custom applications against this attack.”
A crushing blow at the heart SAP J2EE engine_whitepaper.pdf, 1920 KB
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