CVE-2012-3376

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.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 1.30% Top 25%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html
http://archives.neohapsis.com/archives/bugtraq/2012-07/0049.html mailing list
http://www.securityfocus.com/bid/54358 vdb entry

Frequently Asked Questions

What is the severity of CVE-2012-3376?
CVE-2012-3376 has been scored as a high severity vulnerability.
How to fix CVE-2012-3376?
To fix CVE-2012-3376, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-3376 being actively exploited in the wild?
It is possible that CVE-2012-3376 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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