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CVE-2012-3376

7.5 · HIGH

DataNodes in Apache Hadoop 2.0.0 alpha does not check the BlockTokens of clients when Kerberos is enabled and the DataNode has checked out the same BlockPool twice from a NodeName, which might allo…

Published Jul 12, 2012apacheCWE-310EPSS 2.63%

Overview

CVE-2012-3376 is a high-severity vulnerability affecting apache hadoop. It was published on July 12, 2012 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

DataNodes in Apache Hadoop 2.0.0 alpha does not check the BlockTokens of clients when Kerberos is enabled and the DataNode has checked out the same BlockPool twice from a NodeName, which might allow remote clients to read arbitrary blocks, write to blocks to which they only have read access, and have other unspecified impacts.

Remediation

Check the references section for vendor advisories and patches from apache. Update hadoop to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refarchives.neohapsis.com/archives/bugtraq/2012-07/0049.htmlRefwww.securityfocus.com/bid/54358Refwww.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.htmlRefarchives.neohapsis.com/archives/bugtraq/2012-07/0049.htmlRefwww.securityfocus.com/bid/54358Refwww.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html

How CyberStrike helps

Frequently asked questions

What is CVE-2012-3376?

CVE-2012-3376 is a high-severity vulnerability affecting apache hadoop. It was published on July 12, 2012 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2012-3376?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2012-3376?

Check the references section for vendor advisories and patches from apache. Update hadoop to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-3376?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-3376 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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