Msmtp - Config Exposure

What is "Msmtp - Config Exposure?"

The "Msmtp - Config Exposure" module is designed to detect misconfigurations in the Msmtp configuration. Msmtp is a simple SMTP client used for sending emails from a command line or a script. This module focuses on identifying potential security vulnerabilities related to the Msmtp configuration.

This module has a severity level of high, indicating that the identified misconfigurations can pose a significant risk to the security of the system.

This module was authored by geeknik.

Impact

If misconfigurations are found in the Msmtp configuration, it can lead to unauthorized access to sensitive email account information, potential email spoofing, and other security breaches. Attackers may exploit these vulnerabilities to gain unauthorized access to email accounts or intercept sensitive information.

How does the module work?

The "Msmtp - Config Exposure" module works by sending HTTP requests to specific paths, targeting the Msmtp configuration file (.msmtprc). It then applies a set of matching conditions to determine if any misconfigurations are present.

Example HTTP request:

GET /.msmtprc

The module applies the following matching conditions:

- The response must contain the words account, host, from, auth, and tls in any part of the response. - The response must have a Content-Type header with the value text/plain or octet-stream. - The response status code must be 200.

If all the matching conditions are met, the module reports a vulnerability related to the Msmtp configuration exposure.

For more information about Msmtp, you can refer to the Msmtp Wiki.

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