CCE-90904-4| Platform: cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7 | Date: (C)2017-06-29 (M)2023-07-04 |
To set the runtime status of the 'net.ipv4.conf.all.rp_filter' kernel parameter,
run the following command:
Parameter:
[yes/no]
Technical Mechanism:
Enabling reverse path filtering drops packets with source addresses
that should not have been able to be received on the interface they were
received on. It should not be used on systems which are routers for
complicated networks, but is helpful for end hosts and routers serving small
networks.
| CCSS Severity: | CCSS Metrics: |
| CCSS Score : 8.2 | Attack Vector: NETWORK |
| Exploit Score: 3.9 | Attack Complexity: LOW |
| Impact Score: 4.2 | Privileges Required: NONE |
| Severity: HIGH | User Interaction: NONE |
| Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H | Scope: UNCHANGED |
| | Confidentiality: LOW |
| | Integrity: NONE |
| | Availability: HIGH |
| | |
References: | Resource Id | Reference |
|---|
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:30561 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:31284 |
