PPT Masterfolie SQL Injection with ABAP zur Erstellung von

35 Pages·2011·1.21 MB·English

by  Markus Schumacher

Hack In The Box Conference 2011, Amsterdam
Dr. Markus Schumacher
PPT Masterfolie
SQL Injection with ABAP
zur Erstellung von Präsentationen
Ascending from Open SQL Injection to ADBC Injection
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Who am I
PPT Masterfolie
Andreas Wiegenstein
zur Erstellung von Präsentationen
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CTO and founder of Virtual Forge, responsible for R&D
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SAP Security Researcher, active since 2003
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Speaker at SAP TechEd 2004, 2005, 2006, DSAG 2009, BlackHat 2011
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Co-Author of "Secure ABAP Programming" (SAP Press)

Virtual Forge GmbH
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SAP security product company based in Heidelberg, Germany
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Focus on (ABAP) application security services
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ABAP Security Scanner
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ABAP Security Guidelines
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ABAP Security Trainings
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SAP Security Consulting
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Belief: "Our SAP system is secure."
PPT Masterfolie
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Roles & Authorizations
zur Erstellung von Präsentationen
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Segregation of Duties
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Secure Configuration & System / Service Hardening
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Encryption
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Secure Network Infrastructure
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Password Policies
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Patch Management
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Identity Management
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Single Sign-on

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Reality-Check
PPT Masterfolie
zur Erstellung von Präsentationen
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Inhalt
PPT Masterfolie
zur Erstellung von Präsentationen
1. About ABAP
2. SQL Injection revisited
3. Open SQL (OSQL) Overview, Risks & Mitigations
4. Native SQL
5. ABAP Database Connectivity (ADBC)

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1P.P …T aMnads ttehrefonl iteh e re was ABAP
zur Erstellung von Präsentationen
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Advanced Business Application Programming
PPT Masterfolie
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Proprietary language, exact specification not (freely) available
zur Erstellung von Präsentationen
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Platform-independent code
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Client separation built-in *
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Integrated auditing capabilities
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System-to-System calls via SAP Remote Function Call (RFC)
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Client-Server communication via SAP GUI (DIAG protocol)
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Various programming paradigms:
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Programs & Forms, Reports, Function Modules, Dynpros
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Classes & Methods, Business Server Pages, Web Dynpro ABAP
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Integrated platform-independent SQL Standard: Open SQL
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Built-in authentication, roles and (explicit) authorization model
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Thousands of well-known standard programs and database tables
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150+ Million Lines of Code in an ECC6.0 System

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A closer look at Client Separation
PPT Masterfolie

Client Separation
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Client 007

Client 023

Client 042
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Users log on to "clients"
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Clients represent business (and user) data of independent organizations
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The SAP system implicitly separates client data in the database
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Done via a special column that indicates, if a table is client-dependent
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ABAP code is client-independent. Every program is available on all clients

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Attack Surface of ABAP
PPT Masterfolie

zur Erstellung von Präsentationen
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2P.P STQ MLa Isntjeercfotiloien revisited
zur Erstellung von Präsentationen
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