Jeff Jirsa created CASSANDRA-13626:
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Summary: Check hashed password matches expected bcrypt hash format
before checking
Key: CASSANDRA-13626
URL: https://issues.apache.org/jira/browse/CASSANDRA-13626
Project: Cassandra
Issue Type: Bug
Components: Auth
Reporter: Jeff Jirsa
Assignee: Jeff Jirsa
Priority: Minor
Fix For: 3.0.x, 3.11.x, 4.x
We use {{Bcrypt.checkpw}} in the auth subsystem, but do a reasonably poor job
of guaranteeing that the hashed password we send to it is really a hashed
password, and {{checkpw}} does an even worse job of failing nicely. We should
at least sanity check the hash complies with the expected format prior to
validating.
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