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The nosuid option must be configured in the /etc/rmmount.conf file.


Overview

Finding ID Version Rule ID IA Controls Severity
V-226405 GEN000000-SOL00020 SV-226405r603265_rule Medium
Description
The rmmount.conf file controls the mounting of removable media on a Solaris system. Removable media is not to be trusted with privileged access, and therefore the filesystems must be mounted with the nosuid option, which prevents any executables with the setuid bit set on this filesystem from running with owner privileges.
STIG Date
Solaris 10 SPARC Security Technical Implementation Guide 2020-12-04

Details

Check Text ( C-28566r482570_chk )
# grep mount /etc/rmmount.conf

Confirm the nosuid option is configured.

mount * hsfs udfs ufs -o nosuid

If the nosuid option is not configured in the /etc/rmmount.conf file, this is a finding.

Fix Text (F-28554r482571_fix)
Edit /etc/rmmount.conf and add the nosuid mount option to the configuration.