Check: GEN003603
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE:
GEN003603
(in versions v1 r14 through v1 r10)
Title
The system must not respond to ICMPv4 echoes sent to a broadcast address. (Cat II impact)
Discussion
Responding to broadcast Internet Control Message Protocol (ICMP) echoes facilitates network mapping and provides a vector for amplification attacks.
Check Content
# /usr/sbin/no -o bcastping If the value returned is not 0, this is a finding.
Fix Text
Configure the system to ignore ICMP ECHO_REQUESTs sent to broadcast addresses. # no -po bcastping=0
Additional Identifiers
Rule ID: SV-38797r1_rule
Vulnerability ID: V-22410
Group Title: GEN003603
Expert Comments
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CCIs
CCIs tied to check.
| Number | Definition |
|---|---|
| CCI-001551 |
The organization defines approved authorizations for controlling the flow of information between interconnected systems. |
Controls
Controls tied to check. These are derived from the CCIs shown above.
| Number | Title |
|---|---|
| AC-4 |
Information Flow Enforcement |