Weakness (CWE)
CWE-550: Server-generated Error Message Containing Sensitive Information
Certain conditions, such as network failure, will cause a server error message to be displayed.
How to prevent it (1 mitigation)
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Architecture and Design, System Configuration
Recommendations include designing and adding consistent error handling mechanisms which are capable of handling any user input to your web application, providing meaningful detail to end-users, and preventing error messages that might provide information useful to an attacker from being displayed.
Source: MITRE CWE-550
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Critical 10.0
Squid vulnerable to information disclosure via authentication credential leakage in error handling
Squid is a caching proxy for the Web. In Squid versions prior to 7.2, a failure to redact HTTP authentication credentials in error handling allows information disclosure. The vulnerability allows a script to bypass browser security protections and learn the c…