The smbpasswd file must have mode 0600 or less permissive.

From Oracle Linux 5 Security Technical Implementation Guide

Associated with: CCI-000225

SV-64063r1_rule The smbpasswd file must have mode 0600 or less permissive.

Vulnerability discussion

If the smbpasswd file has a mode more permissive than 0600, the smbpasswd file may be maliciously accessed or modified, potentially resulting in the compromise of Samba accounts.

Check content

Check the mode of files maintained using "smbpasswd". Procedure: # ls -lL /etc/samba/passdb.tdb /etc/samba/secrets.tdb If a "smbpasswd" maintained file has a mode more permissive than 0600, this is a finding.

Fix text

Change the mode of the files maintained through smbpasswd to 0600. Procedure: # chmod 0600 /etc/samba/passdb.tdb /etc/samba/secrets.tdb

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