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The system must not respond to ICMP timestamp requests sent to a broadcast address.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22411 | GEN003604 | SV-26074r1_rule | ECSC-1 | Medium |
| Description |
|---|
| The processing of Internet Control Message Protocol (ICMP) timestamp requests increases the attack surface of the system. Responding to broadcast ICMP timestamp requests facilitates network mapping and provides a vector for amplification attacks. |
| STIG | Date |
|---|---|
| VMware ESX 3 Server | 2016-05-13 |
Details
| Check Text ( C-29249r1_chk ) |
|---|
| Determine if the system is configured to respond to ICMP Timestamp requests sent to broadcast addresses. If so, this is a finding. |
| Fix Text (F-26268r1_fix) |
|---|
| Configure the system to ignore ICMP Timestamp requests sent to broadcast addresses. |