Detections
Analytics
UBTU-16-030610 - Network interfaces must not be in promiscuous mode.
Information
Network interfaces in promiscuous mode allow for the capture of all network traffic visible to the system. If unauthorized individuals can access these applications, it may allow then to collect information such as logon IDs, passwords, and key exchanges between systems.If the system is being used to perform a network troubleshooting function, the use of these tools must be documented with the Information System Security Officer (ISSO) and restricted to only authorized personnel.
Solution
Configure network interfaces to turn off promiscuous mode unless approved by the Information System Security Officer (ISSO) and documented.Set the promiscuous mode of an interface to 'off' with the following command:
# sudo ip link set dev <devicename> promisc off
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_CAN_Ubuntu_16-04_LTS_V2R3_STIG.zip
Item Details
Audit Name: DISA STIG Ubuntu 16.04 LTS v2r3
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-215154r610931_rule, STIG-ID|UBTU-16-030610, STIG-Legacy|SV-90569, STIG-Legacy|V-75889, Vuln-ID|V-215154
Plugin: Unix
Control ID: d3cac4eaaf9b1a9206680f7ceb8edf0844138346dfa00f2a5a59db9b30b390f0