The system must require authentication upon booting into single-user and maintenance modes.

From SOLARIS 10 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE

Part of GEN000020

Associated with IA controls: IAIA-2, IAIA-1

Associated with: CCI-000213

SV-36753r1_rule The system must require authentication upon booting into single-user and maintenance modes.

Vulnerability discussion

If the system does not require valid root authentication before it boots into single-user or maintenance mode, anyone who invokes single-user or maintenance mode is granted privileged access to all files on the system.

Check content

This can be checked in the /etc/default/sulogin file (on Solaris 5.X systems) to check if the system runs sulogin, or an equivalent, when booting into single-user mode.

Fix text

Edit /etc/default/sulogin and set PASSREQ=YES or remove /etc/default/sulogin entirely. NOTE: This is a default on Solaris 5.5.1 and later.

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