Date: Tue, 1 May 2018 13:02:58 +0900 From: Akira Ajisaka <aajisaka@...che.org> To: general@...oop.apache.org, user@...oop.apache.org, "<security@...oop.apache.org>" <security@...oop.apache.org>, bugtraq@...urityfocus.com, oss-security@...ts.openwall.com Subject: CVE-2016-6811: Apache Hadoop Privilege escalation vulnerability CVE-2016-6811: Apache Hadoop Privilege escalation vulnerability Severity: Critical Vendor: The Apache Software Foundation Versions Affected: All the Apache Hadoop versions from 2.2.0 to 2.7.3 Description: A user who can escalate to yarn user can possibly run arbitrary commands as root user. Mitigation: Users should upgrade to 2.7.4 or upper. If you are using the affected version of Apache Hadoop and there are any users who can escalate to yarn user and cannot escalate to root user, remove the permission to escalate to yarn user from them. Credit: This issue was discovered by Freddie Rice.
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