STIGQter: STIG Summary: SLES 12 Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 23 Apr 2021:

The SUSE operating system must configure the Linux Pluggable Authentication Modules (PAM) to prohibit the use of cached offline authentications after one day.

DISA Rule

SV-217167r603262_rule

Vulnerability Number

V-217167

Group Title

SRG-OS-000383-GPOS-00166

Rule Version

SLES-12-010680

Severity

CAT II

CCI(s)

• CCI-002007 - The information system prohibits the use of cached authenticators after an organization-defined time period.

Weight

10

Fix Recommendation

Configure the SUSE operating system PAM to prohibit the use of cached authentications after one day.

Add or change the following line in "/etc/sssd/sssd.conf" just below the line "[pam]":

offline_credentials_expiration = 1

Check Contents

If SSSD is not being used on the operating system, this is Not Applicable.

Verify that the SUSE operating system Pluggable Authentication Modules (PAM) prohibits the use of cached off line authentications after one day.

Check that cached off line authentications cannot be used after one day with the following command:

# sudo grep "offline_credentials_expiration" /etc/sssd/sssd.conf

offline_credentials_expiration = 1

If "offline_credentials_expiration" is not set to a value of "1", this is a finding.

Vulnerability Number

V-217167

Documentable

False

Rule Version

SLES-12-010680

Severity Override Guidance

If SSSD is not being used on the operating system, this is Not Applicable.

Verify that the SUSE operating system Pluggable Authentication Modules (PAM) prohibits the use of cached off line authentications after one day.

Check that cached off line authentications cannot be used after one day with the following command:

# sudo grep "offline_credentials_expiration" /etc/sssd/sssd.conf

offline_credentials_expiration = 1

If "offline_credentials_expiration" is not set to a value of "1", this is a finding.

Check Content Reference

M

Target Key

4033

Comments