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Date: Wed, 21 Oct 2020 15:21:39 +0900
From: Akira Ajisaka <>
Subject: [CVE-2018-11764] Apache Hadoop Privilege escalation in web endpoint

CVE-2018-11764: Apache Hadoop Privilege escalation in web endpoint

Severity: Critical

Vendor: The Apache Software Foundation

Versions affected:
3.0.0-alpha4, 3.0.0-beta1, and 3.0.0

Web endpoint authentication check is broken. Authenticated users may
impersonate any user even if no proxy user is configured.

Users should upgrade to Apache Hadoop 3.0.1 or upper.

This issue was discovered by Daryn Sharp.

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