Advisory

The advisory for Java adresses a "[CVE-2020-6224] Information Disclosure in SAP NetWeaver Application Server Java (HTTP Service)". SAP Note 2826528 was released on 14.04.2020 and should be implemented during part of maintenance. The implementation demands a downtime. Component BC-JAS-WEB has a medium risk of exploitation, according to the manufacturers security and response team.

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

Information disclosure is when an application fails to properly protect sensitive and confidential information from parties that are not supposed to have access to the subject matter in normal circumstances.
Carefully review every information disclosure vulnerablity in regards to disclosure obligations post-GDPR for ‘Personal data’ under the Data Protection Act 2018.

Risk specification

Under certain conditions, SAP NetWeaver AS Java allows an attacker with administrative privileges to access information and user sensitive data such as passwords in trace files.

Solution

The affected system component no longer reveals internal information and user's sensitive data. Update your Application Server Java to an SP or release where the issue is fixed.

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

 

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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