Detections
Analytics
GEN003607 - The system must not accept source-routed IPv4 packets - dladm show-link
Information
Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than configured on the router, which can be used to bypass network security measures. This requirement applies only to the handling of source-routed traffic destined to the system itself, not to traffic forwarded by the system to another, such as when IPv4 forwarding is enabled and the system is functioning as a router.NOTE: Nessus has provided the target output to assist in reviewing the benchmark to ensure target compliance.
Solution
Edit /etc/ipf/ipf.conf and add rules to block incoming source-routed packets, such as:block in log quick all with opt lsrr
block in log quick all with opt ssrr
Reload the IPF rules.
Procedure:
# ipf -Fa -A -f /etc/ipf/ipf.conf
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_SOL_10_x86_V2R4_STIG.zip
Item Details
Audit Name: DISA STIG Solaris 10 X86 v2r4
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-227800r603266_rule, STIG-ID|GEN003607, STIG-Legacy|SV-29711, STIG-Legacy|V-22414, Vuln-ID|V-227800
Plugin: Unix
Control ID: fd23d7fed72453c36aa91a9485d8283a6265767982771344bf49ba562d926e61