STIGQter STIGQter: STIG Summary: IBM AIX 7.x Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

AIX must have the have the PowerSC Multi Factor Authentication Product configured.

DISA Rule

SV-215439r508663_rule

Vulnerability Number

V-215439

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

AIX7-00-003203

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Add or update the following lines in the "/etc/security/pmfa/pam_pmfa.conf" file:

TRUSTEDCAS = /<path_to_file>/server_ca.pem

Note: Verify with the SA/ISSO as to the location of the "server_ca.pem" file.

MFA-URL = https://pmfa.example.com:6793/policyAuth/

SERVER-VERSION = 2

CTC-PROMPT-ONLY = Y

Check Contents

Verify /etc/security/pmfa/pam_pmfa.conf is configured correctly.

# grep -i "trustedcas" /etc/security/pmfa/pam_pmfa.conf | grep -v '#'

TRUSTEDCAS = /<path_to_file>/server_ca.pem

Note: Verify with the SA/ISSO as to the location of the "server_ca.pem" file.

If "TRUSTEDCAS" is not configured to point to a valid "server_ca.pem" file or is missing, this is a finding.

# grep -i "mfa-url" /etc/security/pmfa/pam_pmfa.conf | grep -v '#'

MFA-URL = https://pmfa.example.com:6793/policyAuth/

If the "MFA-URL" is missing or does not point to a valid address, this is a finding.

# grep -i "server-version" /etc/security/pmfa/pam_pmfa.conf | grep -v '#'

SERVER-VERSION = 2

If "SERVER-VERSION" is missing or is not set to "2", this is a finding.

# grep -i "ctc-prompt" /etc/security/pmfa/pam_pmfa.conf | grep -v '#'

CTC-PROMPT-ONLY = Y

If "CTC-PROMPT-ONLY" is missing or is not set to "Y", this is a finding.

Vulnerability Number

V-215439

Documentable

False

Rule Version

AIX7-00-003203

Severity Override Guidance

Verify /etc/security/pmfa/pam_pmfa.conf is configured correctly.

# grep -i "trustedcas" /etc/security/pmfa/pam_pmfa.conf | grep -v '#'

TRUSTEDCAS = /<path_to_file>/server_ca.pem

Note: Verify with the SA/ISSO as to the location of the "server_ca.pem" file.

If "TRUSTEDCAS" is not configured to point to a valid "server_ca.pem" file or is missing, this is a finding.

# grep -i "mfa-url" /etc/security/pmfa/pam_pmfa.conf | grep -v '#'

MFA-URL = https://pmfa.example.com:6793/policyAuth/

If the "MFA-URL" is missing or does not point to a valid address, this is a finding.

# grep -i "server-version" /etc/security/pmfa/pam_pmfa.conf | grep -v '#'

SERVER-VERSION = 2

If "SERVER-VERSION" is missing or is not set to "2", this is a finding.

# grep -i "ctc-prompt" /etc/security/pmfa/pam_pmfa.conf | grep -v '#'

CTC-PROMPT-ONLY = Y

If "CTC-PROMPT-ONLY" is missing or is not set to "Y", this is a finding.

Check Content Reference

M

Target Key

4012

Comments