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

V-800

CAT II (Medium)

The /etc/shadow (or equivalent) file must have mode 0400.

Rule ID

SV-45003r1_rule

STIG

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

Version

V1R12

CCIs

CCI-000225

Discussion

The /etc/shadow file contains the list of local system accounts. It is vital to system security and must be protected from unauthorized modification. The file also contains password hashes which must not be accessible to users other than root.

Check Content

Check the mode of the /etc/shadow file.
# ls -lL /etc/shadow
If the /etc/shadow file has a mode more permissive than 0400, this is a finding.

Fix Text

Change the mode of the /etc/shadow (or equivalent) file.
# chmod 0400 /etc/shadow