PT-2018-41: Server-Side Request Forgery in SAP NetWeaver Knowledge Management Configuration Service

(PT-2018-41) Positive Technologies Security Advisory
Server-Side Request Forgery in SAP NetWeaver Knowledge Management Configuration Service

Vulnerable software

SAP NetWeaver Knowledge Management Configuration Service
Version: 7.x

Link:
https://www.sap.com/

Severity level

Severity level: Medium
Impact: Request Forgery
Access Vector: Remote

CVSS v3:
Base Score: 6.6
Vector: (AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L)

CVE: CVE-2017-16678

Vulnerability description

The specialists of the Positive Research center have detected a Server-Side Request Forgery vulnerability in SAP NetWeaver Knowledge Management Configuration Service.

A server-side request forgery (SSRF) vulnerability in SAP NetWeaver Knowledge Management Configuration Service, EPBC and EPBC2 allows attackers to send crafted requests on behalf of the application.

How to fix

Use vendor's advisory:
https://launchpad.support.sap.com/#/notes/2457562

Advisory status

16.03.2017 - Vendor gets vulnerability details
12.12.2017 - Vendor releases fixed version and details
26.12.2018 - Public disclosure

Credits

The vulnerability was detected by Alexandr Shvetsov, Positive Research Center (Positive Technologies Company)

References

http://en.securitylab.ru/lab/PT-2018-41

Reports on the vulnerabilities previously discovered by Positive Research:

https://www.ptsecurity.com/
https://en.securitylab.ru/lab/

About Positive Technologies

Positive Technologies is a leading digital security firm with over 15 years of experience in 360 protection of critical IT systems against the most advanced cyberthreats. State-of-the-art solutions are developed at the company's research centerone of the largest in Europe. Positive Technologies experts have helped to identify and fix over 250 zero-day vulnerabilities in products from Cisco, Google, Honeywell, Huawei, Microsoft, Oracle, SAP, Schneider Electric, Siemens, and others, earning a reputation for world-class expertise in protection of devices and infrastructures at all scales from ATMs to nuclear power stations. Findings by Positive Technologies researchers are used for updating the MaxPatrol knowledge base and for development of security solutions including PT Application Firewall, PT Application Inspector, MaxPatrol. These products allow securing web applications, evaluating network protection, blocking attacks in real time, ensuring compliance with industry and national standards, and training security specialists. Positive Technologies is the organizer of the annual Positive Hack Days international forum and security competition.