CVE-2018-11765: Potential information disclosure in Hadoop Web interfaces

[Akira Ajisaka <aajisaka () apache org>]

CVE-2018-11765: Potential information disclosure in Hadoop Web interfaces

Severity: Important

Vendor: The Apache Software Foundation

Versions affected:
3.0.0-alpha2 to 3.0.0, 2.9.0 to 2.9.2, 2.8.0 to 2.8.5

Description:
When Kerberos authentication is enabled and SPNEGO through HTTP is not
enabled, any users can access some servlets without authentication.

Mitigation:
Users should upgrade to Apache Hadoop 2.10.0, 3.0.1 or upper. If you
are using the affected version of Apache Hadoop, you need to enable
SPNEGO through HTTP.

Credit:
This issue was discovered by Owen O'Malley and reported by Larry McCay.