CVE-2012-4449

9.8 CRITICAL

Published: October 30, 2017 Modified: May 13, 2026

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://mail-archives.apache.org/mod_mbox/hadoop-general/201210.mbox/%3CCA+z3+9FYdPmzBEaMZ71SUqzRx=eU=o4mSHUsbrpzgR9X_F1c0Q%40mail.gmail.com%3E

Source: secalert@redhat.com

https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#topic_1_0

Source: secalert@redhat.com

Issue Tracking Third Party Advisory

http://mail-archives.apache.org/mod_mbox/hadoop-general/201210.mbox/%3CCA+z3+9FYdPmzBEaMZ71SUqzRx=eU=o4mSHUsbrpzgR9X_F1c0Q%40mail.gmail.com%3E

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#topic_1_0

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

1.2%

64th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-327

Affected Vendors

apache

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