CAPECattack pattern

CAPEC-589 DNS Blocking

Official page ↗
Abstraction
Detailed
Status
Draft
CAPEC version
3.9

Description

An adversary intercepts traffic and intentionally drops DNS requests based on content in the request. In this way, the adversary can deny the availability of specific services or content to the user even if the IP address is changed.

Prerequisites

• This attack requires the ability to conduct deep packet inspection with an In-Path device that can drop the targeted traffic and/or connection.

Consequences

• Availability: Other

Mitigations

• Hard Coded Alternate DNS server in applications • Avoid dependence on DNS • Include "hosts file"/IP address in the application. • Ensure best practices with respect to communications channel protections. • Use a .onion domain with Tor support

Related

Child of · CAPEC (1)

Weakness · CWE (1)

  • CWE-300 Channel Accessible by Non-Endpoint weakness

Referenced by CWE · attack pattern (1)

  • CWE-300 Channel Accessible by Non-Endpoint weakness