#VU42109 Improper Authentication in Hadoop - CVE-2013-2192

Vulnerability identifier: #VU42109

Vulnerability risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-2192

CWE-ID: CWE-287

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Hadoop
Server applications / Frameworks for developing and running applications

Vendor: Apache Foundation

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The RPC protocol implementation in Apache Hadoop 2.x before 2.0.6-alpha, 0.23.x before 0.23.9, and 1.x before 1.2.1, when the Kerberos security features are enabled, allows man-in-the-middle attackers to disable bidirectional authentication and obtain sensitive information by forcing a downgrade to simple authentication.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Hadoop: 0.23.0 - 2.0.5

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External links
https://rhn.redhat.com/errata/RHSA-2014-0037.html
https://rhn.redhat.com/errata/RHSA-2014-0400.html
https://seclists.org/fulldisclosure/2013/Aug/251
https://secunia.com/advisories/57915
https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.