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My GitHub Enterprise Token leaked! What should I do?

What is a GitHub Enterprise Token and how it is used?

A GitHub Enterprise Token is a unique authentication token used to securely access resources within a GitHub Enterprise environment. It provides a secure way to authenticate and authorize users, applications, and services.

GitHub Enterprise Token is used for:

  • Authentication: Developers use the token to authenticate and access resources on GitHub Enterprise, ensuring secure access to repositories and other services.
  • Authorization: The token is used to grant specific permissions and control the actions that can be performed within the GitHub Enterprise environment.
  • Integration: Developers can use the token to integrate with various tools and services, enabling automation and seamless workflows within their development processes.

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1. Code snippets to prevent GitHub Enterprise Token hardcoding using environment variables

Using environment variables for storing sensitive information such as GitHub Enterprise Tokens in code is a secure practice because:

  • Environment variables are not hardcoded in the codebase, reducing the risk of exposure in case of a breach.
  • Environment variables are stored outside of the code repository, providing an additional layer of security.
  • Environment variables can be managed and controlled separately from the code, allowing for easier rotation and management of secrets.

How to secure your secrets using environment variables

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2. Code snippet to prevent GitHub Enterprise Token hardcoding using AWS Secrets Manager

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

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3. Code snippet to prevent GitHub Enterprise Token hardcoding using HashiCorp Vault

Using HashiCorp Vault for managing GitHub Enterprise Tokens is a great way to enhance security. Here are code snippets in five different programming languages for securely handling a GitHub Enterprise Token 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 GitHub Enterprise Token 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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4. Code snippet to prevent GitHub Enterprise Token hardcoding using CyberArk Conjur

Using CyberArk Conjur to manage GitHub Enterprise Token is a secure way to handle sensitive data. Here are code snippets in five different programming languages that demonstrate how to retrieve the GitHub Enterprise Token from CyberArk Conjur.

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How to generate a GitHub Enterprise Token?

To generate a GitHub Enterprise Token, follow these steps:

  1. Sign in to your GitHub Enterprise account.
  2. Click on your profile icon in the top right corner and select "Settings".
  3. From the left sidebar, click on "Developer settings".
  4. Under "Personal access tokens", click on "Generate new token".
  5. Give your token a descriptive name and select the scopes or permissions you want to grant.
  6. Click on "Generate token" and make sure to copy and save the token somewhere secure as it will not be shown again.

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My GitHub Enterprise Token leaked, what are the possible reasons?

There are several reasons why a GitHub Enterprise Token might have been leaked:

  • Human error: Developers may accidentally expose their tokens in code, configuration files, or other public sources.
  • Weak security practices: Failure to properly secure repositories, systems, or communication channels can lead to token leakage.
  • Third-party integrations: Tokens may be inadvertently shared through integrations with third-party services or tools.
  • Phishing attacks: Malicious actors may use social engineering tactics to trick developers into revealing their tokens.
  • Insufficient monitoring: Lack of monitoring for unauthorized access or unusual activity can result in undetected token leaks.

What are the risks of leaking a GitHub Enterprise Token

When it comes to GitHub Enterprise Tokens, it is crucial for developers to understand the risks associated with leaking such sensitive information. Here are some specific risks related to leaking a GitHub Enterprise Token:

  • Unauthorized access: If a GitHub Enterprise Token is leaked, unauthorized individuals could potentially gain access to sensitive repositories, code, and other confidential information stored on GitHub.
  • Compromised security: Leaking a GitHub Enterprise Token can compromise the security of the entire GitHub organization, leading to potential data breaches and security incidents.
  • Abuse of privileges: Attackers who obtain a leaked GitHub Enterprise Token may abuse the associated privileges to make unauthorized changes, delete repositories, or carry out other malicious activities.
  • Reputational damage: A security incident resulting from a leaked GitHub Enterprise Token can lead to significant reputational damage for the organization, eroding trust among users and stakeholders.

It is essential for developers to prioritize the protection of GitHub Enterprise Tokens and implement robust security practices to prevent leaks and unauthorized access. By raising awareness about the risks involved, developers can better understand the importance of safeguarding sensitive information and maintaining a secure development environment.

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GitHub Enterprise Token security best practices

  • Avoid embedding the secret directly in your code. Instead, use environment variables or secrets managers
  • Secure storage: store the GitHub Enterprise Token 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 GitHub Enterprise Token usage and improve the overall security of your GitHub Enterprise Token implementations.

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

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GitHub Enterprise Token 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 GitHub Enterprise Token was used by malicious actors

  • Review Access Logs: Check the access logs of your GitHub Enterprise Token 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 GitHub Enterprise Token. This can give insights into any unauthorized use of your key.

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Steps to revoke the GitHub Enterprise Token

Generate a new GitHub Enterprise Token:

  • Log into your GitHub Enterprise Token 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 GitHub Enterprise Token:

  • 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 GitHub Enterprise Token.
  • 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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Environment Variables
Environment Variables
Environment Variables

charge

nullable string

For card errors, the ID of the failed charge.

payment_method_type

nullable string

If the error is specific to the type of payment method, the payment method type that had a problem. This field is only populated for invoice-related errors.

doc_url

nullable string

A URL to more information about the error code reported.

request_log_url

nullable string

A URL to the request log entry in your dashboard.

charge

nullable string

If the error is specific to the type of payment method, the payment method type that had a problem. This field is only populated for invoice-related errors.

Hide
Show
child attributes

type

enum

For some errors that could be handled programmatically, a short string indicating the error code reported.

charge

nullable string

If the error is specific to the type of payment method, the payment method type that had a problem. This field is only populated for invoice-related errors.

Hide
Show
child attributes

type

enum

For some errors that could be handled programmatically, a short string indicating the error code reported.

payment_intent

nullable object

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

setup_intent

nullable object

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

Hide
Show
child attributes

type

enum

For some errors that could be handled programmatically, a short string indicating the error code reported.

Hide
Show
child attributes

type

enum

For some errors that could be handled programmatically, a short string indicating the error code reported.

CLIENT LIBRARIES

$ gem install stripe
$ pip install stripe
$ composer require stripe/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"
$ npm install --save stripe
$ go get github.com/stripe/stripe-go/v76
$ nuget install Stripe.net
SHOW
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