Binding to an Unrestricted IP Address

Opis

The product assigns the address 0.0.0.0 for a database server, a cloud service/instance, or any computing resource that communicates remotely.

When a server binds to the address 0.0.0.0, it allows connections from every IP address on the local machine, effectively exposing the server to every possible network. This might be much broader access than intended by the developer or administrator, who might only be expecting the server to be reachable from a single interface/network.

Skutki

• Availability

  DoS: Amplification

Zapobieganie

• System Configuration

  Assign IP addresses that are not 0.0.0.0.

  Skuteczność: High

• System Configuration · Firewall

  Unwanted connections to the configured server may be denied through a firewall or other packet filtering measures.

  Skuteczność: High

Przykłady podatności

• CVE-2023-41742 cybersecurity product binds to an unrestricted IP address
• CVE-2022-21947 Desktop manager for Kubernetes and container management binds a service to 0.0.0.0, allowing users on the network to make requests to a dashboard API.

Słabość nadrzędna

• CWE-668 Exposure of Resource to Wrong Sphere

Kiedy powstaje

• System Configuration

Dotyczy

Other, Not OS-Specific, Not Architecture-Specific, Web Server, Client Server, Cloud Computing

Źródła

1. Security Smells in Ansible and Chef Scripts: A Replication Study — Akond Rahman, Md Rayhanur Rahman, Chris Parnin, Laurie Williams, 2020
2. The Seven Sins: Security Smells in Infrastructure as Code Scripts — Akond Rahman, Chris Parnin, Laurie Williams, ICSE '19: Proceedings of the 41st International Conference on Software Engineering, 2019