CCE-95224-2| Platform: cpe:/o:apple:mac_os_11, cpe:/o:apple:mac_os_x:10.15 | Date: (C)2020-12-08 (M)2023-07-04 |
"Don't Send ICMPv4 Redirect Messages
ICMP redirects are broadcast in order to reshape network traffic. A malicious user could use the system to send fake redirect packets and try to force all network traffic to pass through a network sniffer. Disabling ICMP redirect broadcasts mitigates this risk."
Parameter:
[yes/no, yes/no]
Technical Mechanism:
Fix:To configure the system to not send ICMP redirects, add the following lines to /etc/sysctl.conf:
net.inet.ip.redirect=0
net.inet6.ip6.redirect=0
| CCSS Severity: | CCSS Metrics: |
| CCSS Score : 6.3 | Attack Vector: ADJACENT_NETWORK |
| Exploit Score: 2.8 | Attack Complexity: LOW |
| Impact Score: 3.4 | Privileges Required: NONE |
| Severity: MEDIUM | User Interaction: NONE |
| Vector: AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L | Scope: UNCHANGED |
| | Confidentiality: LOW |
| | Integrity: LOW |
| | Availability: LOW |
| | |
References: | Resource Id | Reference |
|---|
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:71694 |
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:67504 |
