The system must not respond to ICMP broadcast timestamp requests.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-216133 | SOL-11.1-050030 | SV-216133r959010_rule | CCI-000366 | 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 | 2025-05-05 | |||
Details
Check Text (C-216133r959010_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-17369r372782_fix)
The Network Management profile is required.
Disable respond to timestamp broadcasts.
# pfexec ipadm set-prop -p _respond_to_timestamp_broadcast=0 ip