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My Mattermost Personal Token leaked! What should I do?

What is a Mattermost Personal Token and how it is used?

A Mattermost Personal Token is a unique authentication token that allows users to securely access and interact with the Mattermost messaging platform. It is used to authenticate users and grant them specific permissions within the system.

When using Mattermost, developers can utilize Personal Tokens for the following main use cases:

Authentication: Personal Tokens are used to authenticate users and grant them access to the Mattermost platform without the need to enter their credentials every time.
API Access: Developers can generate Personal Tokens to access the Mattermost API securely, allowing them to automate tasks, integrate with other tools, and retrieve or manipulate data within Mattermost.
Integration with Third-Party Services: Personal Tokens can be used to securely integrate Mattermost with third-party services, such as CI/CD pipelines or monitoring tools, by providing a secure way to authenticate and authorize the connection.

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1. Code snippets to prevent Mattermost Personal Token hardcoding using environment variables

Using environment variables for storing sensitive information like a Mattermost Personal Token is a secure practice because:

Environment variables are not stored in your codebase or version control system, reducing the risk of exposure.
They are accessible only to the running process, making it harder for attackers to access them externally.
Environment variables can be easily managed and updated without changing the code, improving security maintenance.

How to secure your secrets using environment variables

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2. Code snippet to prevent Yahoo OAuth2 Key hardcoding using Mattermost Personal Token

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

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3. Code snippet to prevent Mattermost Personal Token hardcoding using HashiCorp Vault

Using HashiCorp Vault for managing Mattermost Personal Tokens is a great way to enhance security. Here are code snippets in five different programming languages for securely handling a Mattermost Personal 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 Mattermost Personal 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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How to generate a Mattermost Personal Token?

To generate a Mattermost Personal Token, developers can follow these steps:

Log in to your Mattermost account.
Click on your profile picture in the top left corner and select "Account Settings".
Go to the "Security" tab.
Scroll down to the "Personal Access Tokens" section and click on "Create Token".
Enter a name for your token and select the desired permissions.
Click on "Create" to generate the token.

Once the token is generated, developers can use it to authenticate API requests to the Mattermost server.

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My Mattermost Personal Token leaked, what are the possible reasons?

There are several reasons why a Mattermost Personal Token might have been leaked:

Improper storage: If the token is stored in plaintext within code or configuration files, it can easily be exposed through version control systems or by unauthorized access to the codebase.
Weak access controls: If the token is shared with individuals who do not have a legitimate need to access it, there is a higher risk of it being leaked.
Phishing attacks: Social engineering attacks, such as phishing emails or fake login pages, can trick users into revealing their personal tokens unknowingly.
Unsecured communication channels: If the token is transmitted over insecure channels without encryption, it can be intercepted by malicious actors.
Third-party integrations: If the token is used in third-party services or plugins that have vulnerabilities, it could be compromised through those integrations.

What are the risks of leaking a Mattermost Personal Token

Developers need to be aware of the risks associated with leaking a Mattermost Personal Token. This token is a sensitive piece of information that, if exposed, can lead to serious security breaches and unauthorized access to critical systems and data. Here are some potential risks of leaking a Mattermost Personal Token:

Unauthorized access to Mattermost accounts and channels
Potential exposure of sensitive information stored in Mattermost
Ability for malicious actors to impersonate users and perform malicious actions
Risk of data loss or data corruption
Potential for financial loss or damage to reputation

It is crucial for developers to understand the importance of keeping Mattermost Personal Tokens secure and implementing best practices for secret management to prevent leaks and mitigate these risks.

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Mattermost Personal Token security best practices

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

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

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Mattermost Personal 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 Mattermost Personal Token was used by malicious actors

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

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Steps to revoke the Mattermost Personal Token

Generate a new Mattermost Personal Token:

Log into your Mattermost Personal 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 Mattermost Personal 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 Mattermost Personal 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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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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