Slack signing secret detected in code

Rule Details

Cortex AppSec Rule ID	APPSEC_SECRET_222
Category	Sensitive Tokens
Severity	LOW
Framework	Git

Impact

The Slack Signing Secret is used to verify that incoming requests are authentically from Slack.

Exposure allows an attacker to spoof requests from Slack, enabling them to trigger undesirable app functionality or potentially gain access to other tokens.

How to Fix

To remediate exposed Auth tokens or Signing Keys:

1. Log in to your Identity Provider or OAuth provider settings.
2. Rotate the compromised Client Secret, Private Key, or Signing Certificate.
3. Update your application configuration with the new credentials.
4. Redeploy your application to ensure the new keys are in effect.

Next, remove the secret from your codebase:

1. Locate the exposed secret in your codebase.
2. Replace the hardcoded value with a secure variable or reference.

Finally, clean your version control history:

1. Permanently remove the sensitive data from your version control history to ensure it cannot be retrieved.

Warning: Rotating signing keys or client secrets will likely invalidate active user sessions or tokens. Be prepared for users to be logged out.