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


Overview

Finding ID Version Rule ID IA Controls Severity
V-22330 GEN001374 SV-44988r1_rule Medium
Description
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.
STIG Date
SUSE Linux Enterprise Server v11 for System z 2016-12-20

Details

Check Text ( C-42395r1_chk )
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 (F-38405r1_fix)
Remove the extended ACL from the file.
# setfacl --remove-all /etc/nsswitch.conf