Protect Your Sentry Account: Unauthorized Access Vulnerability Discovered

CVECVE-2023-39349
CVSScvssV3_1: 8.1
SourceCVE-2023-39349

Sentry is a popular error tracking and monitoring platform used by many developers and companies. Researchers recently discovered a vulnerability in older versions of Sentry that could allow unauthorized access to user accounts.

The vulnerability resides in the API tokens endpoint. Attackers with access to a token with limited permissions could query this endpoint to retrieve a list of all tokens created by a user, including tokens with greater administrative privileges. They could then use these privileged tokens to access sensitive account data or make changes without permission.

While there is no evidence this issue was exploited against sentry.io, self-hosted Sentry users are advised to take action. If you run your own Sentry server, it is important to rotate all API tokens as a precaution. This will invalidate any tokens an attacker may have obtained.

The good news is Sentry has released a fix for versions 23.7.2 and above. Administrators should update their Sentry installation as soon as possible to close this security hole. No workarounds are available otherwise.

Always keep your software up-to-date, use strong and unique API tokens, and enable multi-factor authentication wherever possible to protect your Sentry account from unauthorized access attempts. Staying on top of security issues and applying the latest patches is key to maintaining the safety of your error monitoring setup.

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