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                             CERT-Renater

                 Note d'Information No. 2019/VULN165

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DATE                : 31/05/2019

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Apache Hadoop versions prior to
                                 2.8.5, 2.9.2, 3.1.1.

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http://mail-archives.apache.org/mod_mbox/hadoop-general/201905.mbox/%3cCAP+3qq5C-mWtoUXcLUEf_htn3mvfd7Eys19X3Pr=6itsR4f_sA@mail.gmail.com%3e
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CVE-2018-8029: Apache Hadoop Privilege escalation vulnerability

Severity: Critical

Vendor: The Apache Software Foundation

Versions Affected:
3.0.0-alpha1 to 3.1.0, 2.9.0 to 2.9.1, 2.2.0 to 2.8.4

Description:
A user who can escalate to yarn user can possibly run arbitrary
commands as root user.

Mitigation:
Users should upgrade to Apache Hadoop 2.8.5, 2.9.2, 3.1.1 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 Miklos Szegedi.

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+ CERT-RENATER        | tel : 01-53-94-20-44            +
+ 23/25 Rue Daviel    | fax : 01-53-94-20-41            +
+ 75013 Paris         | email:cert@support.renater.fr   +
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