Finding ID | Version | Rule ID | IA Controls | Severity |
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V-226891 | GEN003603 | SV-226891r603265_rule | Medium |
Description |
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Responding to broadcast Internet Control Message Protocol (ICMP) echoes facilitates network mapping and provides a vector for amplification attacks. |
STIG | Date |
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Solaris 10 SPARC Security Technical Implementation Guide | 2020-12-04 |
Check Text ( C-29053r484957_chk ) |
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Determine the type of zone that you are currently securing. # zonename If the zone is not the global zone, determine if any interfaces are exclusive to the zone: # dladm show-link If the output indicates "insufficient privileges" then this requirement is not applicable. If the zone is the global zone or the non-global zone has exclusive interfaces verify the system does not respond to ICMP ECHO_REQUESTs set to broadcast addresses. # ndd /dev/ip ip_respond_to_echo_broadcast If the result is not 0, this is a finding. |
Fix Text (F-29041r484958_fix) |
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Configure the system to not respond to ICMP ECHO_REQUESTs sent to broadcast addresses. # ndd -set /dev/ip ip_respond_to_echo_broadcast 0 Also add this command to a system startup script. |