Advisory
A note with CVSS 5.3 for component BC-XI-CON-JWS was released by SAP on 28.12.2021. The correction/advisory 3133005 was described with "Update 2 to Security Note 3130521: [CVE-2021-44228] Remote Code Execution vulnerability associated with Apache Log4j 2 component used in Java Web Service Adapter of SAP NetWeaver Process Integration" and affects the system type Java.
A workaround exists, according to SAP Security Advisory team. It is advisable to implement the correction as monthly patch process.
The vulnerability addressed is code injection within Java.
Risk specification
The component log4j allows an attacker to execute malicious code when he is in control of log messages or message parameters.Solution
The applications dependencies were updated to a newer release that no longer contains these log4j vulnerabilities. Although an alternative solution exists, it is advisable to apply the correction! This is the workaround, which was suggested by the SAP security experts: "You can apply the workaround procedure explained in the note. If possible, set the java parameter log4j2.formatMsgNoLookups=true".
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 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
- 10.0 [CVE-2021-44228] Remote Code Execution vulnerability associated with Apache Log4j 2 component used in SAP Customer Checkout
- 10.0 [CVE-2021-44228] Remote Code Execution vulnerability associated with Apache Log4j 2 component used in SAP BTP Cloud Foundry
- 10.0 [CVE-2021-44228] Remote Code Execution vulnerability associated with Apache Log4j 2 component used in SAP HANA XSA
- 10.0 [CVE-2021-44228] Remote Code Execution vulnerability associated with Apache Log4j 2 component used in XSA Cockpit
- 10.0 [CVE-2021-44228] Remote Code Execution vulnerability associated with Apache Log4j 2 component used in SAP Edge Services On Premise Edition