CVE-2012-4449 Information

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.

CVSS Vector

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

Reference

http://mail-archives.apache.org/mod_mbox/hadoop-general/201210.mbox/3CCA+z3+9FYdPmzBEaMZ71SUqzRx=eU=o4mSHUsbrpzgR9X_F1c0Q@mail.gmail.com3E https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.htmltopic_1_0

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8