ABAP Custom Code Security

Transcription

1 ABAP Custom Code Security A collaboration of: SAP Global IT & SAP Product Management for Security, IDM & SSO November, 2012 Public

3 Code-Security for ABAP-based applications Tasks and Responsibilities Phase 1: Identify Security Issues Task: SAP s Responsibility review codebase of approx. 280 million lines of code Solution: Tool based approach with an ABAP security scanner Global IT Responsibility Task: review custom specific ABAP code Solution: Tool based approach with a specialized ABAP security scanner (Virtual Forge CodeProfiler) Phase 2: Fixing Security Issues Task: Process issues in SAP standard code Solution: SAP Security Notes: currently approx notes released (up to 10/2012) Introduction of SAP Security Patch day New Secure Programming Guidelines Task: Implementation of published Security Notes Remediate potential security gaps in ABAP custom code Regularly search and implement relevant security notes SAP Security Patch day ABAP Source Code Project 2012 SAP AG. All rights reserved. Public 3

4 Entry points for security questions concerning custom developed ABAP-applications Are compliance guidelines adhered within the custom applications? Are data protection rules and guidelines violated through security flaws? Get a general overview of the code quality concerning the security aspects Are business critical applications and processes sufficiently protected within custom application? Custom Source Code Security Are there Backdoors or malicious coding in the customer specific developments? Key Message Ensuring Security and Compliancy of custom developed code is key To ensure custom developed ABAP code a highly atomized solution is required The solution must also support the developers requirements in his daily work in a convenient way 2012 SAP AG. All rights reserved. Public 4

6 ABAP Custom Code Project Functionality / Characteristics of static code profiling approach - Key Message Virtual Forge CodeProfiler (VF CP)* uses static ABAP patterns to scan ABAP source code for potential weaknesses and issues. Allows prioritizing countermeasures by categorizing all findings regarding impact and probability High number of constantly updated test cases for security checks In conducted scans at Global IT the VF CP* showed a low number of false-positives Proceeding: Analyze and Document TC 33 Missing AUTHORITY-CHECK in Reports [#46] TID=80, FID=5A66D9C5271AE8E7360B61F5F167B49D5 D890A40 Package: Z_BW_CORE, Program: YBW_BW_CALL_STATISTICS Extract via RFC Output Core SAP Business Systems VF CodeProfiler* * CodeProfiler is an add-on product from Virtual Forge ( SAP AG. All rights reserved. Public 6

7 CodeProfiler Test case Examples Test Group Missing Authority Checks Dangerous ABAP commands Backdoors Hard-coded user credentials Generic Operations Command execution SQL Injection Potential Impact ABAP can execute business transactions without privileges. Therefore, whenever ABAP programs call functionality that requires certain privileges to run, an authority check should be made programmatically. Otherwise users might get access to restricted functionality These test patterns check if there are any commands used in an ABAP program that could pose a security threat. Examples are access to files and low-level system commands There are several ways to include backdoors in ABAP programs. They allow malicious developers to secretly access extra-functionality by feeding certain triggers to the program These test patterns check if there are any hard-coded user credentials in the code Sometimes developers write code in a way that it can be used for a number of different use cases. This flexibility often results in vulnerabilities when malicious users discover unforeseen use cases nobody expected In some instances, ABAP code can be generated and executed at runtime. These test patterns check, if such risky practices are used and if they are exploitable This coding defect allows malicious users to manipulate OSQL statements. This can result in information disclosure and manipulation of arbitrary data in the SAP database 2012 SAP AG. All rights reserved. Public 7

8 Custom Code Security at SAP Global IT Get secure Stay secure Get Secure Stay Secure Implementation of Virtual Forge CodeProfiler* and conduction of regular code scans Creation of agreed procedures and guidance how to fix potential security gaps Analysis and remediation of security related issues identified by the Virtual Forge CodeProfiler* for the four core SAP Global IT Business Systems Analysis and remediation of security related issues identified by the Virtual Forge CodeProfiler* for all SAP Global IT Business Systems SAP Global IT Secure Development Framework rules and standards for the development of ABAP code Secure ABAP development training for developers at Global IT teaching how to develop secure ABAP code Full integration of security checks into the ABAP development workbench with high usability for developers and quality experts using the ABAP Test Cockpit (ATC) Perform security checks during transport release (Q-Gate) to avoid new security related issues in production * CodeProfiler is an add-on product from Virtual Forge ( SAP AG. All rights reserved. Public 8

9 SAP Global IT - ABAP Source Code Security Approach Project Level Holistic Custom Source Code Scans Secure Programming Training Scanning Structural Level Monitoring of Remediation Automat. Monitoring Custom Source Code Security Automat. Periodization Analysis and Prioritization of Issues Remediation Secure Programming Guide Daily Operational Level Remediation of Source Code Issues 2012 SAP AG. All rights reserved. Public 9

11 Motivation for ABAP Test Cockpit Different Tools, Different UIs, Different Results Different checks, messages, priorities Different code checks before release of transports No common base for QM and developer perspective No central point to overview the quality of custom code 2012 SAP AG. All rights reserved. Public 11

12 ABAP Test Cockpit (ATC) What is it? ATC is an ABAP check framework which allows running static checks and unit tests for ABAP programs ATC is designed to help meeting the production standard Functional Correctness in the ABAP world ATC is fully integrated into development environment and transport tools, along with instant navigation, documentation and fix recommendation What are the benefits? ATC is the single point of entry for all static code check tools ATC comprises a 4-eye principle exception process to handle false/ positive findings effectively ATC is fully integrated in the ABAP development workbench with a high usability for developers and quality experts ATC is not only a check tool but supports essential QA techniques like Q-Gates or regression testing in a consolidation system 2012 SAP AG. All rights reserved. Public 12

13 ABAP Test Cockpit (ATC) Code Scanning Tools at Global IT Virtual Forge CodeProfiler (CP)* Test Domains: Security & Compliance Allows prioritizing countermeasures by categorizing all findings Establishes a baseline security level for all ABAP-based business applications Integration into ABAP Test Cockpit and Transport Management System High number of test domains and test cases SAP Code Inspector (SCI) Additional checks for example adherence to naming conventions or performance optimization Extended Program Check (SLIN) Performs extended checks e.g. searching for obsolete ABAP statements Syntax Check (Check, SE 80) checks the syntax and internal semantics of a program. * CodeProfiler is an add-on product from Virtual Forge ( SAP AG. All rights reserved. Public 13

14 Thank You! A collaboration of: SAP Global IT SAP Product Management for Security, Identity Management and Single Sign-On

15 Backup

16 ABAP Test Cockpit Configuration of five-system landscape DEV QAS Developers run static / unit / scenario tests on their objects Q-experts run mass checks and distribute the results Periodic check runs to validate code of a development team PSS FQA PRD Scanning of tasks / transports perform full system scan i Use ONE quality standard for Q-Gates 2012 SAP AG. All rights reserved. Public 16

17 ABAP Test Cockpit Availability The ABAP Test Cockpit (ATC) is a tool for doing static and dynamic quality checks of ABAP code and associated repository objects The ATC is now available with EhP2 for SAP NetWeaver 7.0 with support package stack 12. Additionally, the ATC is planned for SAP NetWeaver AS ABAP 7.03 support package stack 5. The ATC is introduced with the following releases: SAP NetWeaver 7.0 EHP2 Support Package 12 SAP NetWeaver 7.31 Support Package 5 (planned) SAP NetWeaver 7.32 initial release 2012 SAP AG. All rights reserved. Public 17

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