SAP released monthly critical patch update for December 2011. This patch update closes many vulnerabilities in SAP products. Many of those vulnerabilities were found by different experts. Traditionally ERPScan researchers Alexander Polyakov, Dmitriy Chastuchin and Alexey Tuyrin are among them with 6 newly found vulnerabilities.
Whitepaper on which a presentation “A crushing blow at the heart of SAP J2EE Engine” from BlackHat USA 2011 was based.
Today, SAP NetWeaver is the most widespread platform for developing enterprise business applications. This whitepaper is focused 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. Here is explained the architecture of SAP’s J2EE engine and its internals. Also a number of previously unknown architecture and program vulnerabilities from auth bypasses, smbrelays, internal scans, information discloses, invoker servlet bypasses, insecure encryption algorithms and cross-system vulnerabilities in J2EE platform are discussed.
SAP released monthly critical patch update for June 2011. This patch updates close about 40 vulnerabilities in SAP products. 10 of those vulnerabilities were found by different experts. Traditionnaly ERPSCan researcher Dmitriy Chastuhin who found 2 vulnerabilities is among them.