CVE-2021-39234
Java vulnerability analysis and mitigation

Overview

A security vulnerability (CVE-2021-39234) was discovered in Apache Ozone that allows authenticated users to bypass Access Control List (ACL) authorization checks. The vulnerability was disclosed on November 18, 2021, and affects Apache Ozone versions prior to 1.2.0. The issue was reported by Marton Elek and tracked internally as HDDS-5061 (Openwall Report).

Technical details

The vulnerability allows authenticated users who know the ID of an existing block to craft specific requests that bypass security checks, including ACL authorization. The issue has been classified with CWE-863 (Incorrect Authorization) as a more specific classification than the initially assigned CWE-20 (Improper Input Validation) (NVD Report).

Impact

The vulnerability enables authenticated users to access block data that they should not have permission to view, effectively circumventing the implemented access control mechanisms (Openwall Report).

Mitigation and workarounds

Users are advised to upgrade to Apache Ozone release version 1.2.0, which contains the fix for this vulnerability (Openwall Report).

Additional resources


SourceThis report was generated using AI

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