The system must not respond to ICMP timestamp requests.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-216132	SOL-11.1-050020	SV-216132r959010_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 X86 Security Technical Implementation Guide	2024-11-25

Details

Check Text (C-17370r372778_chk)

Determine if ICMP time stamp responses are disabled.

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

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

Fix Text (F-17368r372779_fix)

The Network Management profile is required.

Disable source respond to timestamp.

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