PostgreSQL Log Connections Not Set

• Query id: c640d783-10c5-4071-b6c1-23507300d333
• Query name: PostgreSQL Log Connections Not Set
• Platform: Terraform
• Severity: Medium
• Category: Observability
• CWE: 778
• URL: Github

Description

Make sure that for PostgreSQL Database, server parameter 'log_connections' is set to 'ON'
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - tf file

resource "azurerm_postgresql_configuration" "positive1" {
    name                = "log_connections"
    resource_group_name = data.azurerm_resource_group.example.name
    server_name         = azurerm_postgresql_server.example.name
    value               = "off"
}

resource "azurerm_postgresql_configuration" "positive2" {
    name                = "log_connections"
    resource_group_name = data.azurerm_resource_group.example.name
    server_name         = azurerm_postgresql_server.example.name
    value               = "Off"
}

resource "azurerm_postgresql_configuration" "positive3" {
    name                = "log_connections"
    resource_group_name = data.azurerm_resource_group.example.name
    server_name         = azurerm_postgresql_server.example.name
    value               = "OFF"
}

Code samples without security vulnerabilities

Negative test num. 1 - tf file

resource "azurerm_postgresql_configuration" "negative1" {
    name                = "log_connections"
    resource_group_name = data.azurerm_resource_group.example.name
    server_name         = azurerm_postgresql_server.example.name
    value               = "on"
}

resource "azurerm_postgresql_configuration" "negative2" {
    name                = "log_connections"
    resource_group_name = data.azurerm_resource_group.example.name
    server_name         = azurerm_postgresql_server.example.name
    value               = "On"
}

resource "azurerm_postgresql_configuration" "negative3" {
    name                = "log_connections"
    resource_group_name = data.azurerm_resource_group.example.name
    server_name         = azurerm_postgresql_server.example.name
    value               = "ON"
}