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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-216370r603267_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 | 2021-03-01 |
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 |