CVE-2012-4449: Use of a Broken or Risky Cryptographic Algorithm

May 17, 2022 (updated August 16, 2022)

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.

References

mail-archives.apache.org/mod_mbox/hadoop-general/201210.mbox/%3CCA+z3+9FYdPmzBEaMZ71SUqzRx=eU=o4mSHUsbrpzgR9X_F1c0Q@mail.gmail.com%3E
github.com/advisories/GHSA-q46v-cj5v-hvg6
nvd.nist.gov/vuln/detail/CVE-2012-4449
www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html

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