CVE-2021-39231
Java vulnerability analysis and mitigation

Overview

CVE-2021-39231 is a security vulnerability affecting Apache Ozone versions prior to 1.2.0, discovered and reported by Marton Elek. The vulnerability was disclosed on November 19, 2021, and involves missing authentication and authorization mechanisms on internal RPC endpoints (Openwall Report, NVD Database).

Technical details

The vulnerability stems from various internal server-to-server RPC endpoints being accessible without proper authentication or authorization controls. This security flaw is tracked under multiple issue IDs including HDDS-4704, HDDS-4730, HDDS-4496, and HDDS-4788. The vulnerability is classified under CWE-862, which relates to missing authorization (Openwall Report).

Impact

The vulnerability allows potential attackers to download raw data from Datanode and Ozone manager components. Additionally, attackers can modify Ratis replication configuration, potentially compromising the integrity and confidentiality of the system (Openwall Report).

Mitigation and workarounds

The recommended mitigation is to upgrade to Apache Ozone release version 1.2.0 or later, which contains the necessary security fixes (Openwall Report).

Additional resources


SourceThis report was generated using AI

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