Hot Note
Affected system
SAP IoT
CVSS
10.0
Component
IOT-BSV-HS-MS
Patch Day
2022-01
Released on
2022/01/11
SAP Note
3136988
Workaround
Yes
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Advisory

A note with CVSS 10.0 for component IOT-BSV-HS-MS was released by SAP on 11.01.2022. The correction/advisory 3136988 was described with "[CVE-2021-44228] Remote Code Execution vulnerability associated with Apache Log4j 2 component used in Reference Template for enabling ingestion and persistence of time series data in Azure" and affects the system type SAP IoT.

A workaround exists, according to SAP Security Advisory team. It is advisable to implement the correction as part of maintenance.

The vulnerability addressed is code injection within SAP IoT.

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: "If possible, set the java parameter log4j2.formatMsgNoLookups=true".

The advisory is valid for

  • AZURE-IOT-INTEGRATION-REF 100

 

 

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