Severity Framework
CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Snyk CCSS
Rule category
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
Network/ Public Access
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CIS-ControlsCSA-CCMISO-27001NIST-800-53PCI-DSSSOC-2
- Snyk IDSNYK-CC-00476
- creditSnyk Research Team
Description
Potentially everyone can access resources, which might lead to higher risk exposure.
How to fix?
Set properties.applicationRuleCollections.properties.rules.sourceAddresses attribute to specific IP range only, e.g. 192.168.1.0/24.
Set rule.source_addresses to specific CIDR block range only, e.g. 192.168.1.0/24.
Example Configuration
resource "azurerm_firewall_application_rule_collection" "allowed" {
name = "testcollection"
azure_firewall_name = "test"
resource_group_name = azurerm_resource_group.example.name
priority = 100
action = "Allow"
rule {
name = "testrule"
source_addresses = [
"192.168.1.0/24",
]
target_fqdns = [
"*.google.com",
]
protocol {
port = "443"
type = "Https"
}
}
}