Redis Not Updated Regularly

• Query id: b947809d-dd2f-4de9-b724-04d101c515aa
• Query name: Redis Not Updated Regularly
• Platform: Terraform
• Severity: High
• Category: Insecure Configurations
• URL: Github

Description

Redis Cache is not configured to be updated regularly with security and operational updates
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - tf file

resource "azurerm_redis_cache" "positive1" {
    name                = "timeout-redis"
    location            = "West Europe"
    resource_group_name = azurerm_resource_group.example_rg.name
    subnet_id           = azurerm_subnet.example_redis_snet.id

    family              = "P"
    capacity            = 1
    sku_name            = "Premium"
    shard_count         = 1

    enable_non_ssl_port = false
    minimum_tls_version = "1.2"

    redis_configuration {
        enable_authentication   = true
        maxmemory_policy        = "volatile-lru"
    }
}

Code samples without security vulnerabilities

Negative test num. 1 - tf file

resource "azurerm_redis_cache" "negative1" {
    name                = "timeout-redis"
    location            = "West Europe"
    resource_group_name = azurerm_resource_group.example_rg.name
    subnet_id           = azurerm_subnet.example_redis_snet.id

    family              = "P"
    capacity            = 1
    sku_name            = "Premium"
    shard_count         = 1

    enable_non_ssl_port = false
    minimum_tls_version = "1.2"

    redis_configuration {
        enable_authentication   = true
        maxmemory_policy        = "volatile-lru"
    }

    patch_schedule {
        day_of_week     = "Thursday"
        start_hour_utc  = 7
    }
}