| Package | Affected versions | Patched versions |
|---|---|---|
| org.apache.hadoop:hadoop-client | ≥ 1.0.0, < 1.0.4≥ 2.0.0, < 2.0.2< 0.23.4 | 1.0.42.0.20.23.4 |
| hadoop | = 1.0.0= 1.0.1= 1.0.2= 1.0.3= 2.0.0= 2.0.1= 2.0.2≤ 0.23.3 |
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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