CCE-45276-3Platform: cpe:/o:microsoft:windows_server_2016 | Date: (C)2017-08-03 (M)2023-07-04 |
MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing)
Vulnerability:
An attacker could use source routed packets to obscure their identity and location. Source routing allows a computer that sends a packet to specify the route that the packet takes.
Counter Measure:
Configure the MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing) entry to a value of Highest protection, source routing is completely disabled.
The possible values for this registry entry are:
* 0, 1, or 2. The default configuration is 1 (source routed packets are not forwarded).
In the SCE UI, the following list of options appears:
* No additional protection, source routed packets are allowed.
* Medium, source routed packets ignored when IP forwarding is enabled.
* Highest protection, source routing is completely disabled.
* Not Defined.
Potential Impact:
If you configure this value to 2, all incoming source routed packets will be dropped.
Fix:
(1) GPO: Computer ConfigurationAdministrative TemplatesMSS (Legacy)MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing)
(2) REG: NO INFO
Parameter:
[highest protection, source routing is completely disabled/medium, source routed packets ignored when IP forwarding is enabled/no additional protection, source routed packets are allowed]
Technical Mechanism:
(1) GPO: Computer Configuration\Administrative Templates\MSS (Legacy)\MSS: (DisableIPSourceRouting) IP source routing protection level (protects against packet spoofing)
(2) REG: NO INFO
CCSS Severity: | CCSS Metrics: |
CCSS Score : 8.1 | Attack Vector: NETWORK |
Exploit Score: 2.2 | Attack Complexity: HIGH |
Impact Score: 5.9 | Privileges Required: NONE |
Severity: HIGH | User Interaction: NONE |
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | Scope: UNCHANGED |
| Confidentiality: HIGH |
| Integrity: HIGH |
| Availability: HIGH |
| |
References: Resource Id | Reference |
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SCAP Repo OVAL Definition | oval:org.secpod.oval:def:40279 |