The system must not respond to ICMP broadcast timestamp requests.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-216370	SOL-11.1-050030	SV-216370r959010_rule		Low

Description

By accurately determining the system's clock state, an attacker can more effectively attack certain time-based pseudorandom number generators (PRNGs) and the authentication systems that rely on them.

STIG	Date
Solaris 11 SPARC Security Technical Implementation Guide	2024-11-25

Details

Check Text (C-17606r371198_chk)

Determine if response to ICMP broadcast timestamp requests is disabled.

# ipadm show-prop -p _respond_to_timestamp_broadcast -co current ip

If the output of this command is not "0", this is a finding.

Fix Text (F-17604r371199_fix)

The Network Management profile is required.

Disable respond to timestamp broadcasts.

# pfexec ipadm set-prop -p _respond_to_timestamp_broadcast=0 ip