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

AIX must disable Kerberos Authentication in ssh config file to enforce access restrictions.

DISA Rule

SV-215291r508663_rule

Vulnerability Number

V-215291

Group Title

SRG-OS-000365-GPOS-00152

Rule Version

AIX7-00-002107

Severity

CAT II

CCI(s)

• CCI-001814 - The Information system supports auditing of the enforcement actions.

Weight

10

Fix Recommendation

Edit the "/etc/ssh/sshd_config" file and add or change the "KerberosAuthentication" value of the setting to "no".

Refresh sshd:
# stopsrc -s sshd
# startsrc -s sshd

Check Contents

Check the SSH daemon configuration for the Kerberos authentication setting:
# grep -i KerberosAuthentication /etc/ssh/sshd_config | grep -v '^#'

If the setting is present and set to "yes", this is a finding.

Vulnerability Number

V-215291

Documentable

False

Rule Version

AIX7-00-002107

Severity Override Guidance

Check the SSH daemon configuration for the Kerberos authentication setting:
# grep -i KerberosAuthentication /etc/ssh/sshd_config | grep -v '^#'

If the setting is present and set to "yes", this is a finding.

Check Content Reference

M

Target Key

4012

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