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My Docker Credential leaked! What should I do?

What is a Docker Credential and how it is used?

A Docker Credential is a secure way to store and manage authentication information, such as usernames and passwords, used by Docker to access external resources like container registries.

When using Docker, it is important for developers to understand the main use cases of Docker Credential:

Securely storing and managing sensitive information such as usernames, passwords, API keys, and other credentials used by Docker containers.
Providing a centralized and secure way to access and use these credentials within Docker containers, without exposing them directly in the container configuration or Dockerfiles.
Facilitating the automation of Docker container deployments by allowing the containers to securely retrieve the necessary credentials during runtime, ensuring smooth and secure operation of the applications.

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1. Code snippets to prevent Docker Credential hardcoding using environment variables

Using environment variables for Docker credentials in your code is a secure practice because:

Environment variables are not stored in the codebase or version control, reducing the risk of exposure.
They are only accessible to the specific container or process that needs them, limiting the attack surface.
Environment variables can be encrypted or masked to further enhance security.
They can be easily rotated or updated without changing the codebase, improving overall security hygiene.

How to secure your secrets using environment variables

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Using AWS Secrets Manager to manage Docker Credentials is a secure way to handle sensitive data. Here are code snippets in five different programming languages that demonstrate how to retrieve the Docker Credential from AWS Secrets Manager.

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3. Code snippet to prevent Docker Credential hardcoding using HashiCorp Vault

Using HashiCorp Vault for managing Docker Credentials is a great way to enhance security. Here are code snippets in five different programming languages for securely handling a Docker Credential using HashiCorp Vault.

Remember to replace the VAULT_ADDR and VAULT_TOKEN with your Vault server address and authentication token. The snippets assume that the Docker Credential is stored under the api_key field within Vault. The specifics of the Vault path and field names should be adjusted to match your Vault setup.

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How to generate a Docker Credential?

Generating a Docker Credential involves creating a new token that can be used to authenticate with Docker registries. Follow these steps to generate a Docker Credential:

Access your Docker Hub account or the registry you want to generate the credential for.
Go to the account settings or user settings section.
Look for the option to generate a new token or credential.
Click on the option to create a new credential.
Provide a name for the credential to easily identify it.
Once the credential is generated, copy the token or key provided.

Now you can use this token or key as your Docker Credential when authenticating with Docker registries. Make sure to keep this credential secure and do not share it with unauthorized users.

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My Docker Credential leaked, what are the possible reasons?

There are several reasons why a Docker Credential might have been leaked:

Improper handling of secrets within the Dockerfile or docker-compose.yml file.
Storing secrets in environment variables that can be easily accessed.
Using insecure Docker registries to store sensitive information.
Sharing Docker images or containers without properly removing sensitive data.
Weak access controls or permissions on Docker resources.

What are the risks of leaking a Docker Credential

When it comes to Docker Credentials, it is crucial for developers to understand the risks associated with leaking such sensitive information. Docker Credentials are used to authenticate with Docker registries, allowing access to pull and push images. If these credentials are exposed, it can lead to serious security breaches and compromises.

Unauthorized Access: Leaking Docker Credentials can result in unauthorized access to your Docker registry, allowing malicious actors to pull or push unauthorized images.
Data Breaches: If sensitive information is stored in Docker images or containers, leaking credentials can lead to data breaches and leakage of confidential data.
Compromised Infrastructure: Attackers can exploit leaked Docker Credentials to compromise your entire infrastructure, potentially causing significant damage to your systems and applications.
Reputation Damage: A security incident resulting from leaked Docker Credentials can tarnish your organization's reputation and erode trust with customers and stakeholders.

Therefore, it is imperative for developers to adhere to best practices for secret management and detection to prevent the inadvertent exposure of Docker Credentials and mitigate the associated risks.

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Docker Credential security best practices

Avoid embedding the secret directly in your code. Instead, use environment variables or secrets managers‍
Secure storage: store the Docker Credential in a secure location, such as a password manager or a secrets management service.
Regular rotation: periodically rotate the API key to minimize the risk of long-term exposure.
Restrict permissions: apply the principle of least privilege by only granting the key the minimum necessary permissions.
Monitor usage: regularly check the usage logs for any unusual activity or unauthorized access attempts.
Implement access controls: limit the number of users who have access to the secret and enforce strong authentication measures.
Use a secrets manager: utilize secret management tools like CyberArk or AWS Secrets Manager for enhanced security.

By adhering to the best practices, you can significantly reduce the risk associated with Docker Credential usage and improve the overall security of your Docker Credential implementations.

Exposing secrets on GitHub: What to do after leaking Credential and API keys

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Docker Credential leak remediation: what to do

What to do if you expose a secret: How to stay calm and respond to an incident [cheat sheet included]

How to check if Docker Credential was used by malicious actors

Review Access Logs: Check the access logs of your Docker Credential account for any unauthorized access or unusual activity. Pay particular attention to access from unfamiliar IP addresses (if you haven’t set up a specific allow list) or at odd hours.
Monitor Usage Patterns: Look for anomalies in the usage patterns, such as unexpected spikes in data access or transfer.
Check Active Connections and Operations: Review the list of active connections and recent operations on your database. Unusual or unauthorized operations might indicate malicious use.
Audit API Usage: If possible, audit the usage of your API key through any logging or monitoring services you have integrated with Docker Credential. This can give insights into any unauthorized use of your key.

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Steps to revoke the Docker Credential

Generate a new Docker Credential:

Log into your Docker Credential account.
Navigate to the API section and generate a new API key.

Update Services with the new key:

Replace the compromised key with the new key in all your services that use this API key.
Ensure all your applications and services are updated with the new key before deactivating the old one.

Deactivate the old Docker Credential:

Once the new key is in place and everything is functioning correctly, deactivate the old API key.
This can typically be done from the same section where you generated the new key.

Monitor after key rotation:

After deactivating the old key, monitor your systems closely to ensure that all services are running smoothly and that there are no unauthorized access attempts.

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How to understand which services will stop working

Inventory of services: keep an inventory of all services and applications that utilize your Docker Credential.
Communication and documentation: Ensure that your team is aware of which services are dependent on the key. Maintain documentation for quick reference.
Testing: before deactivating the old key, test your services with the new key in a staging environment. This helps in identifying any services that might face issues post rotation.
Fallback strategies: Have a fallback or emergency plan in case a critical service fails after the key rotation. This might include temporary measures or quick rollback procedures.

In summary, the remediation process involves identifying potential misuse, carefully rotating the key, and ensuring minimal disruption to services. Being proactive and having a well-documented process can greatly reduce the risks associated with a compromised API key.

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What about other secrets?

GitGuardian helps developers keep 350+ types of secrets out of source code. GitGuardian’s automated secrets detection and remediation solution secure every step of the development lifecycle, from code to cloud:

On developer workstations with git hooks (pre-commit and pre-push);
On code sharing platforms like GitHub, GitLab, and Bitbucket;
In CI environments (Circle CI, Travis CI, Jenkins CI, GitHub Actions, and many more);
In Docker images.

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payment_intent

nullable object

The PaymentIntent object for errors returned on a request involving a PaymentIntent.

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CLIENT LIBRARIES

$ gem install stripe

STRIPE-RUBY

$ pip install stripe

STRIPE-PYTHON

$ composer require stripe/stripe-php

STRIPE-PHP

MAVEN
<dependency>
  <groupId>com.stripe</groupId>
  <artifactId>stripe-java</artifactId>
  <version>24.16.0</version>
</dependency>

GRADLE
compile "com.stripe:stripe-java:24.16.0"

STRIPE-NODE

$ npm install --save stripe

STRIPE-NODE

$ go get github.com/stripe/stripe-go/v76

STRIPE-NODE

$ nuget install Stripe.net

STRIPE-NODE

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