Details

The securetty file contains the list of terminals permitting direct root logins. It must be protected from unauthorized modification.

Solution

Change the mode of the /etc/securetty file to 0600.

Procedure:
# chmod 0600 /etc/securetty

Supportive Information

The following resource is also helpful.

• http://iasecontent.disa.mil/stigs/zip/U_RedHat_5_V1R18_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Access Control, Configuration Management.This control applies to the following type of system Unix.

References

• 800-53|AC-6
• 800-53|CM-6b.
• CAT|II
• CCI|CCI-000225
• CCI|CCI-000366
• CSCv6|3.1
• Group-ID|V-12040
• Rule-ID|SV-37342r3_rule
• STIG-ID|GEN000000-LNX00660
• Vuln-ID|V-12040

Source

• Tenable.com/audits