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Lack of protection against deletion

Description​

The system does not prevent critical objects from being deleted accidentally.

Impact​

  • Result in loss information in case of an accidental modification or deletion.
  • Result in loss information in the case of a security incident.

Recommendation​

Set up automatic backup on DynamoDB tables and enable protection against accidental deletion.

Threat​

Attacker in any scenario that modifies or deletes information from databases.

Expected Remediation Time​

⌚ 15 minutes.

Score​

Default score using CVSS 3.1. It may change depending on the context of the vulnerability.

Base​

  • Attack vector: A
  • Attack complexity: L
  • Privileges required: L
  • User interaction: R
  • Scope: U
  • Confidentiality: N
  • Integrity: H
  • Availability: H

Temporal​

  • Exploit code madurity: U
  • Remediation level: O
  • Report confidence: X

Result​

  • Vector string: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H/E:U/RL:O/RC:X
  • Score:
    • Base: 6.7
    • Temporal: 5.8
  • Severity:
    • Base: Medium
    • Temporal: Medium

Code Examples​

Compliant code​

Sensitive resources have protection against deletion and backup policies

resource "azurerm_key_vault" "not_vulnerable" {
  name                       = "examplekeyvault"
  location                   = azurerm_resource_group.example.location
  resource_group_name        = azurerm_resource_group.example.name
  tenant_id                  = data.azurerm_client_config.current.tenant_id
  soft_delete_retention_days = 7
  soft_delete_enabled        = true
  purge_protection_enabled   = true
}

Non compliant code​

There is a resource configure without deletion prevention policies and safeguards

resource "azurerm_key_vault" "vulnerable" {
  name                       = "examplekeyvault"
  location                   = azurerm_resource_group.example.location
  resource_group_name        = azurerm_resource_group.example.name
  tenant_id                  = data.azurerm_client_config.current.tenant_id
  soft_delete_retention_days = 7
}

Requirements​

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