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← Back to SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide

V-22330

CAT II (Medium)

The /etc/nsswitch.conf file must not have an extended ACL.

Rule ID

SV-44988r1_rule

STIG

SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide

Version

V1R12

CCIs

CCI-000225

Discussion

The nsswitch.conf file (or equivalent) configures the source of a variety of system security information including account, group, and host lookups. Malicious changes could prevent the system from functioning or compromise system security.

Check Content

Verify /etc/nsswitch.conf has no extended ACL.
# ls -l /etc/nsswitch.conf
If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Fix Text

Remove the extended ACL from the file.
# setfacl --remove-all /etc/nsswitch.conf