CVE-2012-4449: Use of a Broken or Risky Cryptographic Algorithm in Apache Hadoop
Summary
CVE-2012-4449: Use of a Broken or Risky Cryptographic Algorithm in Apache Hadoop. Affects org.apache.hadoop:hadoop-client across 3 version ranges.
< 0.23.4
>= 1.0.0, < 1.0.4
>= 2.0.0, < 2.0.2
Fixed in 0.23.4, 1.0.4 or 2.0.2, 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 'org.apache.hadoop:hadoop-client' package is a Maven package that includes the Hadoop client libraries. These libraries are used by applications to interact with a Hadoop cluster. The vulnerability in question affects versions of Apache Hadoop before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 when Kerberos security features are enabled.
Vulnerability Detail
The vulnerability arises from the generation of token passwords using a 20-bit secret in Apache Hadoop. This weakens the security of the cryptographic algorithm used, making it easier for attackers to crack secret keys through brute-force attacks. Context-dependent attackers can exploit this vulnerability to gain unauthorized access to sensitive data stored in the Hadoop cluster. The severity of this vulnerability is rated as CRITICAL with a CVSS score of 9.8.
How To Fix
Fixed versions by release line
The minimum fixed version depends on the release line you run.
-
< 0.23.40.23.4 -
>= 1.0.0, < 1.0.41.0.4 -
>= 2.0.0, < 2.0.22.0.2
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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 vulnerability in Apache Hadoop's cryptographic algorithm used for generating token passwords poses a significant security risk. It is recommended to upgrade to the patched versions of Apache Hadoop to mitigate this vulnerability. For further assistance and support in 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 'org.apache.hadoop:hadoop-client' package is a Maven package that includes the Hadoop client libraries. These libraries are used by applications to interact with a Hadoop cluster.
This vulnerability allows context-dependent attackers to crack secret keys used for token passwords in Apache Hadoop, potentially leading to unauthorized access to sensitive data stored in the Hadoop cluster.
The severity of this vulnerability is rated as CRITICAL with a CVSS score of 9.8.
No, there is no known workaround for this vulnerability. It is crucial to upgrade to the patched versions of Apache Hadoop.
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