CVE-2016-5001: Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop
Summary
CVE-2016-5001: Exposure of Sensitive Information to an Unauthorized Actor in Apache Hadoop. Affects org.apache.hadoop:hadoop-common across 2 version ranges.
< 2.6.4
>= 2.7.0, < 2.7.2
Fixed in 2.6.4 or 2.7.2, 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. It provides a scalable and reliable platform for big data analytics. The vulnerable package, org.apache.hadoop:hadoop-common, is a core component of Apache Hadoop that includes common utilities and libraries used by other Hadoop modules. This vulnerability affects versions before 2.6.4 and 2.7.x before 2.7.2. It specifically impacts the short-circuit reads feature of HDFS, which allows local users on an HDFS DataNode to exploit the vulnerability.
Vulnerability Detail
The vulnerability (CVE-2016-5001) in Apache Hadoop allows a local user on an HDFS DataNode to craft a block token that grants unauthorized read access to random files. This can be achieved by guessing certain fields in the token. By exploiting this vulnerability, an unauthorized actor can gain access to sensitive information stored in Hadoop's distributed file system. The impact of this vulnerability can be significant, as it compromises the confidentiality of data and may lead to unauthorized data leakage.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
< 2.6.42.6.4 -
>= 2.7.0, < 2.7.22.7.2
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The vulnerability (CVE-2016-5001) in Apache Hadoop exposes sensitive information to unauthorized actors. To mitigate this risk, it is crucial to upgrade the Apache Hadoop package to the fixed versions and implement proper access controls. 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 reliable platform for big data analytics.
The impacted package is org.apache.hadoop:hadoop-common, which is a core component of Apache Hadoop that includes common utilities and libraries used by other Hadoop modules.
The CVE identifier for this vulnerability is CVE-2016-5001.
This vulnerability allows unauthorized actors to gain access to sensitive information stored in Hadoop's distributed file system, compromising data confidentiality and potentially leading to unauthorized data leakage.
To fix this vulnerability, it is recommended to upgrade the Apache Hadoop package to the specified fixed versions. Ensure proper access controls and permissions are in place to mitigate the risk of unauthorized access to sensitive data.
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