What is CVE-2012-4449?

CVE-2012-4449 is a vulnerability in Apache Hadoop before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 that allows context-dependent attackers to crack secret keys via a brute-force attack.

How does CVE-2012-4449 affect Apache Hadoop?

CVE-2012-4449 affects Apache Hadoop versions before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 when Kerberos security features are enabled.

What is the severity of CVE-2012-4449?

The severity of CVE-2012-4449 is critical with a severity score of 9.8.

How can context-dependent attackers exploit CVE-2012-4449?

Context-dependent attackers can exploit CVE-2012-4449 by using a brute-force attack to crack secret keys.

How can I fix CVE-2012-4449 in Apache Hadoop?

To fix CVE-2012-4449, it is recommended to upgrade Apache Hadoop to version 0.23.4 or higher, 1.x to version 1.0.4 or higher, or 2.x to version 2.0.2 or higher.

Vulnerability/
CVE-2012-4449

critical

9.8

CWE

327

30/10/2017

21/11/2017

CVE-2012-4449

First published: Mon Oct 30 2017(Updated: )

Apache Hadoop before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 generate token passwords using a 20-bit secret when Kerberos security features are enabled, which makes it easier for context-dependent attackers to crack secret keys via a brute-force attack.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
Apache Hadoop	<=0.23.3
Apache Hadoop	=1.0.0
Apache Hadoop	=1.0.1
Apache Hadoop	=1.0.2
Apache Hadoop	=1.0.3
Apache Hadoop	=2.0.0-alpha
Apache Hadoop	=2.0.1-alpha
Apache Hadoop	=2.0.2-alpha

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Frequently Asked Questions

What is CVE-2012-4449?
CVE-2012-4449 is a vulnerability in Apache Hadoop before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 that allows context-dependent attackers to crack secret keys via a brute-force attack.
How does CVE-2012-4449 affect Apache Hadoop?
CVE-2012-4449 affects Apache Hadoop versions before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 when Kerberos security features are enabled.
What is the severity of CVE-2012-4449?
The severity of CVE-2012-4449 is critical with a severity score of 9.8.
How can context-dependent attackers exploit CVE-2012-4449?
Context-dependent attackers can exploit CVE-2012-4449 by using a brute-force attack to crack secret keys.
How can I fix CVE-2012-4449 in Apache Hadoop?
To fix CVE-2012-4449, it is recommended to upgrade Apache Hadoop to version 0.23.4 or higher, 1.x to version 1.0.4 or higher, or 2.x to version 2.0.2 or higher.

collector/nvd-index
vendor/apache
canonical/apache hadoop
version/apache hadoop/0.23.3
version/apache hadoop/1.0.0
version/apache hadoop/1.0.1
version/apache hadoop/1.0.2
version/apache hadoop/1.0.3
version/apache hadoop/2.0.0-alpha
version/apache hadoop/2.0.1-alpha
version/apache hadoop/2.0.2-alpha

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