A note with CVSS 9.8 for component FS-LMS was released by SAP on 09.06.2020. The correction/advisory 2928570 was described with "Ghostcat' Apache Tomcat AJP Vulnerability in SAP Liquidity Management for Banking" and affects the system type Java.
A workaround does not exist, according to SAP Security Advisory team. It is advisable to implement the correction as monthly patch process.
The vulnerability addressed is command execution within Java.
Risk specificationDue to a misconfiguration of SAP Liquidity Management for Banking, the Apache Tomcat listens to AJP calls allowing an attacker to remotely execute commands on the system.
The AJP port should be diabled in the configuration if not needed.
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 AS Java Home: SAP Netweaver Application Server Java wiki
- A dedicated SAP NetWeaver 7.40 Application Server for Java Security Guide exists.
The advisory is valid for
- SAP_CASH_FLOW_MANAGEMENT 6.2
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.