CVE-2016-3086: Apache Hadoop YARN NodeManager Sensitive Information Exposure
Summary
CVE-2016-3086: Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop. Affects org.apache.hadoop:hadoop-yarn-server-nodemanager across 2 version ranges.
>= 2.6.0, < 2.6.5
>= 2.7.0, < 2.7.3
Fixed in 2.6.5 or 2.7.3, depending on the release line you run. How to fix ↓
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Background
Apache Hadoop is an open-source framework used for distributed storage and processing of large datasets. The YARN NodeManager is a component of Apache Hadoop responsible for managing resources and executing tasks on individual nodes in a Hadoop cluster. It provides a secure environment for running applications by isolating them from each other. However, a vulnerability in the YARN NodeManager allows an unauthorized actor to access the password for the credential store provider used by the NodeManager to YARN Applications.
Vulnerability Detail
The YARN NodeManager in Apache Hadoop versions 2.6.x before 2.6.5 and 2.7.x before 2.7.3 suffers from a sensitive information exposure vulnerability. This vulnerability can be exploited by an attacker to obtain the password for the credential store provider used by the NodeManager. The password leakage can lead to unauthorized access to sensitive information and potentially compromise the security of the Hadoop cluster. The vulnerability has a CVSS score of 9.8, indicating its critical severity.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
>= 2.6.0, < 2.6.52.6.5 -
>= 2.7.0, < 2.7.32.7.3
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the recommended fix by upgrading to the patched versions of Apache Hadoop.
Conclusion
The sensitive information exposure vulnerability in Apache Hadoop YARN NodeManager can lead to unauthorized access to sensitive information and compromise the security of the Hadoop cluster. It is crucial to upgrade to the patched versions of Apache Hadoop to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Apache Hadoop is an open-source framework for distributed storage and processing of large datasets. It provides a scalable and fault-tolerant solution for big data analytics.
The YARN NodeManager is a component of Apache Hadoop responsible for managing resources and executing tasks on individual nodes in a Hadoop cluster. It provides a secure environment for running applications.
This vulnerability allows an unauthorized actor to obtain the password for the credential store provider used by the YARN NodeManager. It can lead to unauthorized access to sensitive information and compromise the security of the Hadoop cluster.
The CVSS score of this vulnerability is 9.8, indicating its critical severity.
No, there is no known workaround for this vulnerability. It is necessary to upgrade to the fixed versions of Apache Hadoop.
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