According to Elastic this version should not be vulnerable to the RCE-part of this bug.įor Team Foundation Server 2018 update 2 and up and with Search enabled relies on Elastic Search 5.4.1 and by default is installed on JVM 8. Elastic Search relies on log4net and this version is vulnerable to information disclosure. No action is required for users of Linux Azure Pipelines agents.įor Azure DevOps, the cloud service, everything is patched and no problem.įor Azure DevOps Server 2019 and up with Search enabled, Elastic Search 6.2.4 is deployed. It is end-of-life and includes other vulnerabilities, but we have previously confirmed that these vulnerabilities are not exploitable on Azure Pipelines agents. We are still exploring generation of patches to simplify this process, and will continue posting updates here as we learn more.Īdditionally, the Linux versions of the Azure Pipelines agent include an older version of log4j as part of the Team Explorer Everywhere command line used to interact with Team Foundation Version Control. We recommend upgrading to a newer version of Team Foundation Server / Azure DevOps Server ( documentation) or uninstalling the Search feature ( documentation). It is, however, dependent on a version of Elasticsearch that is end-of-life from a support perspective. They will be similar to: 7z.exe d log4j-core-.jar org/apache/logging/log4j/core/lookup/JndiLookup.class
#MICROSOFT TEAM FOUNDATION SERVER WINDOWS#MVP Jesse Houwing has helpfully included commands that will work on Windows using 7-zip in his blog post here. Most references to this online give a command that will work only on Linux. Remove the JndiLookup class from the jar file (and then restart Elasticsearch). #MICROSOFT TEAM FOUNDATION SERVER UPGRADE#Upgrade the Java Virtual Machine on the server where the Search feature is installed to the latest release with the same major version (and then restart Elasticsearch).
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