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CVE-2012-4449 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector: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

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URL	Source(s)	Tag(s)
http://mail-archives.apache.org/mod_mbox/hadoop-general/201210.mbox/%3CCA+z3+9FYdPmzBEaMZ71SUqzRx=eU=o4mSHUsbrpzgR9X_F1c0Q%40mail.gmail.com%3E	CVE
https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#topic_1_0	CVE	Issue TrackingThird Party Advisory
http://mail-archives.apache.org/mod_mbox/hadoop-general/201210.mbox/%3CCA+z3+9FYdPmzBEaMZ71SUqzRx=eU=o4mSHUsbrpzgR9X_F1c0Q%40mail.gmail.com%3E	[email protected]
https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#topic_1_0	[email protected]	Issue TrackingThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-327	Use of a Broken or Risky Cryptographic Algorithm	[email protected]

Affected Products

Product	Versions
apache hadoop	<= 0.23.3 1.0.0 1.0.1 1.0.2 1.0.3
CPE cpe:2.3:a:apache:hadoop:::::::: cpe:2.3:a:apache:hadoop:1.0.0:::::::* cpe:2.3:a:apache:hadoop:1.0.1:::::::* cpe:2.3:a:apache:hadoop:1.0.2:::::::* cpe:2.3:a:apache:hadoop:1.0.3:::::::* cpe:2.3:a:apache:hadoop:2.0.0:alpha:::::: cpe:2.3:a:apache:hadoop:2.0.1:alpha:::::: cpe:2.3:a:apache:hadoop:2.0.2:alpha:::::: Remediation No remediation found in references.

Product

Versions

apache hadoop

<= 0.23.3

1.0.0

1.0.1

1.0.2

1.0.3

CPE

cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:2.0.0:alpha:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:2.0.1:alpha:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:2.0.2:alpha:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
May 13, 2026	CVE Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Nov 21, 2017	Initial Analysis	[email protected]