[FD] [ERPSCAN-15-015] SAP NetWeaver AS ABAP– Hardcoded Credentials

ERPSCAN Research Advisory [ERPSCAN-15-015] SAP NetWeaver AS ABAP– Hardcoded Credentials Application: SAP NetWeaver Versions Affected: SAP NetWeaver AS ABAP, probably others Vendor URL: http://SAP.com Bugs: Hardcoded credentials Sent: 06.03.2014 Reported: 07.03.2014 Vendor response: 07.03.2014 Date of Public Advisory: 15.06.2015 Reference: SAP Security Note 2057982 Author: Rustem Gazizov, Diana Grigorieva (ERPScan) Description 1. ADVISORY INFORMATION Title: SAP NetWeaver AS ABAP – Hardcoded Credentials Advisory ID: [ERPSCAN-15-015] Risk: High Advisory URL: http://ift.tt/1JiX1Zx Date published: 15.06.2015 Vendors contacted: SAP 2. VULNERABILITY INFORMATION Class: hardcoded credentials [CWE-798] Impact: read application data; gain privileges / assume identity Remotely Exploitable: Yes Locally Exploitable: No CVSS Information CVSS Base Score: 2.1 / 10 CVSS Base Vector: AV : Access Vector (Related exploit range) Network (N) AC : Access Complexity (Required attack complexity) High (H) Au : Authentication (Level of authentication needed to exploit) Single (S) C : Impact to Confidentiality Partial (P) I : Impact to Integrity None (N) A : Impact to Availability None (N) 3. VULNERABILITY DESCRIPTION The program code contains a hardcoded username that changes the system's behavior if the user is authenticated successfully. The user may obtain additional information that should not be displayed. 4. VULNERABLE PACKAGES SAP NetWeaver AS ABAP Other versions are probably affected too, but they were not checked. 5. SOLUTIONS AND WORKAROUNDS To correct this vulnerability, install SAP Security Note 2057982 6. AUTHOR Rustem Gazizov, Diana Grigorieva (ERPScan) 7. TECHNICAL DESCRIPTION An attacker can use hardcoded credentials to get unauthorized access and perform various actions in the system. In addition, it is likely that the code will be implemented into the system as a backdoor. The vulnerability is in the FKCDBFTRACE ABAP program. 14 APPEND &1. 15 ENDIF. 16 END-OF-DEFINITION. 17 18 DEFINE SWITCH_TRACE_ON. 19 MOVE 'IF SY-UNAME = ''SCHWABK''.' TO MKCD_LINE. 20 APPEND MKCD_LINE TO &1. 21 END-OF-DEFINITION. 22 8. REPORT TIMELINE Sent: 06.03.2014 Reported: 07.03.2014 Vendor response: 07.03.2014 Date of Public Advisory: 15.06.2015 9. REFERENCES http://ift.tt/1JiX1Zx 10. ABOUT ERPScan Research The company’s expertise is based on the research subdivision of ERPScan, which is engaged in vulnerability research and analysis of critical enterprise applications. It has achieved multiple acknowledgments from the largest software vendors like SAP, Oracle, Microsoft, IBM, VMware, HP for discovering more than 400 vulnerabilities in their solutions (200 of them just in SAP!). ERPScan researchers are proud to have exposed new types of vulnerabilities (TOP 10 Web Hacking Techniques 2012) and to be nominated for the best server-side vulnerability at BlackHat 2013. ERPScan experts have been invited to speak, present, and train at 60+ prime international security conferences in 25+ countries across the continents. These include BlackHat, RSA, HITB, and private SAP trainings in several Fortune 2000 companies. ERPScan researchers lead the project EAS-SEC, which is focused on enterprise application security research and awareness. They have published 3 exhaustive annual award-winning surveys about SAP security. ERPScan experts have been interviewed by leading media resources and featured in specialized info-sec publications worldwide. These include Reuters, Yahoo, SC Magazine, The Register, CIO, PC World, DarkReading, Heise, and Chinabyte, to name a few. We have highly qualified experts in staff with experience in many different fields of security, from web applications and mobile/embedded to reverse engineering and ICS/SCADA systems, accumulating their experience to conduct the best SAP security research. 11. ABOUT ERPScan ERPScan is one of the most respected and credible Business Application Security providers. Founded in 2010, the company operates globally. Named an Emerging vendor in Security by CRN and distinguished by more than 25 other awards, ERPScan is the leading SAP SE partner in discovering and resolving security vulnerabilities. ERPScan consultants work with SAP SE in Walldorf to improve the security of their latest solutions. ERPScan’s primary mission is to close the gap between technical and business security. We provide solutions to secure ERP systems and business-critical applications from both cyber attacks and internal fraud. Our clients are usually large enterprises, Fortune 2000 companies, and managed service providers whose requirements are to actively monitor and manage the security of vast SAP landscapes on a global scale. Our flagship product is ERPScan Security Monitoring Suite for SAP. This multi award-winning innovative software is the only solution on the market certified by SAP SE covering all tiers of SAP security: vulnerability assessment, source code review, and Segregation of Duties. The largest companies from diverse industries like oil and gas, banking, retail, even nuclear power installations as well as consulting companies have successfully deployed the software. ERPScan Security Monitoring Suite for SAP is specifically designed for enterprises to continuously monitor changes in multiple SAP systems. It generates and analyzes trends in user friendly dashboards, manages risks, tasks, and can export results to external systems. These features enable central management of SAP system security with minimal time and effort. We follow the sun and function in two hubs located in the Netherlands and the US to operate local offices and partner network spanning 20+ countries around the globe. This enables monitoring cyber threats in real time and providing agile customer support. USA Address: 228 Hamilton Avenue, Fl. 3, Palo Alto, CA, 94301 Phone: 650.798.5255 Twitter: @erpscan Scoop-it: Business Application Security http://erpscan.com

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