Hot Note
Affected system
Java

CVSS
9.1

Component
BC-ESI-UDDI
Patchday
2020-03
Released on
2020/03/10
SAP Note
2806198
Workaround exist
No
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Advisory

The advisory for Java adresses a "[CVE-2020-6203] Path Manipulation in SAP NetWeaver UDDI Server(Services Registry)". SAP Note 2806198 was released on 10.03.2020 and should be implemented during part of maintenance. The implementation demands a downtime. Component BC-ESI-UDDI has a hot news risk of exploitation, according to the manufacturers security and response team.

Following the SAP Security Advisory team, a workaround does not exist.

Risk specification

Services Registry allows an unauthenticated attacker to exploit insufficient validation of path information provided by users, resulting in an directory traversal vulnerability which allows write files to the server.

Solution

SAP NetWeaver UDDI Server has been updated to apply a strengthend path validation

Affected System

SAP Netweaver Application Server Java is part of the SAP NetWeaver Application Platform. It provides the complete infrastructure for deploying and running Java applications.

The advisory is valid for

  • SR-UI 7.11
  • SR-UI 7.20
  • SR-UI 7.30
  • SR-UI 7.31
  • SR-UI 7.40
  • SR-UI 7.50

 

Disclaimer

ABEX takes the security of SAP products very seriously. We very much encourage the responsible disclosure of security vulnerabilities. If you have detected a vulnerability in one of the SAP software products – either in the latest or in a former product version follow the guidelines and processes in accordance with the SAP portal page “Report a Security Vulnerability to SAP”.

The advisories found within the ABEX security advisory are generated and continuously enriched by ABEX and affiliated security consultants, partners, customers of the SecurityBridge security suite, SAP support, and advisory groups.

There is no disclosure of zero-day vulnerabilities. In such case, the platform only provides details on which version or signature updates are available within the SecurityBridge platform in order to monitor or measure the vulnerability

In accordance with SAP guidelines, ABEX only discloses issues where the fixing security note has been released at least three months ago. The vulnerability platform makes no references to available exploits or Proof of Concepts (PoC). Advisories and vulnerabilities will always mention the fixing security note or hints to the corresponding SAP documentation.

 

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Cross-Site Scripting

Protecting your SAP© systems against exploitation of directory traversal vulnerabilities is almost impossible without usage of an appropriate cybersecurity software.

Custom coding may be introduced at any moment. According to statistic, at least one vulnerability exists in a set of 1.000 source code lines. In consequence continuous code vulnerability assements are needed to protect your assets.