QID 150347

Date Published: 2021-04-21

QID 150347: Docker Host with Unprotected REST API Detected

Docker services use REST API to enable its management tools to perform actions such as creating new containers and starting/stopping them. Default configurations only allow Unix socket to access Docker's REST APIs. In order to enable remote access to the REST API, Docker daemon needs to be configured to listen on TCP ports,which provide unencrypted and unauthenticated access to the Docker REST API by default. Docker host REST APIs allow remote users to control the Docker images in the same fashion a local user would.

QID Detection Logic:(Unauthenticated):
This QID sends GET request to /info and /images/json on docker targets to detect if its accessible without any authentication.

Successful exploitation may allow remote attacker to control docker images and can also help in malicious activities.

CVSS V3 rated as Critical - 8.6 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Customers are advised to enable TLS protocol for Docker so that it can be accessed in more secure fashion . When using TLS, the Docker daemon accepts only authenticated connections with a trusted certificate.

Vendor References

CVEs related to QID 150347

Software Advisories

Advisory ID	Software	Component	Link

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