STIGQter: STIG Summary: Crunchy Data PostgreSQL Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 20 Nov 2020:

If passwords are used for authentication, PostgreSQL must transmit only encrypted representations of passwords.

DISA Rule

SV-233519r617333_rule

Vulnerability Number

V-233519

Group Title

SRG-APP-000172-DB-000075

Rule Version

CD12-00-000800

Severity

CAT II

CCI(s)

• CCI-000197 - The information system, for password-based authentication, transmits only cryptographically-protected passwords.

Weight

10

Fix Recommendation

Note: The following instructions use the PGDATA environment variable. See supplementary content APPENDIX-F for instructions on configuring PGDATA.

As the database administrator (shown here as "postgres"), edit pg_hba.conf authentication file and change all entries of "password" to "scram-sha-256":

$ sudo su - postgres
$ vi ${PGDATA?}/pg_hba.conf
host all all .example.com scram-sha-256

Check Contents

Note: The following instructions use the PGDATA environment variable. See supplementary content APPENDIX-F for instructions on configuring PGDATA.

As the database administrator (shown here as "postgres"), review the authentication entries in pg_hba.conf:

$ sudo su - postgres
$ cat ${PGDATA?}/pg_hba.conf

If any entries use the auth_method (last column in records) "password" or "md5", this is a finding.

Vulnerability Number

V-233519

Documentable

False

Rule Version

CD12-00-000800

Severity Override Guidance

Note: The following instructions use the PGDATA environment variable. See supplementary content APPENDIX-F for instructions on configuring PGDATA.

As the database administrator (shown here as "postgres"), review the authentication entries in pg_hba.conf:

$ sudo su - postgres
$ cat ${PGDATA?}/pg_hba.conf

If any entries use the auth_method (last column in records) "password" or "md5", this is a finding.

Check Content Reference

M

Target Key

5254

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