CWE-7: J2EE Misconfiguration: Missing Custom Error Page
The default error page of a web application should not display sensitive information about the product.
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Overview
A Web application must define a default error page for 4xx errors (e.g. 404), 5xx (e.g. 500) errors and catch java.lang.Throwable exceptions to prevent attackers from mining information from the application container's built-in error response. When an attacker explores a web site looking for vulnerabilities, the amount of information that the site provides is crucial to the eventual success or failure of any attempted attacks.
Common consequences
What can happen when CWE-7 is exploited.
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Affects: Confidentiality
A stack trace might show the attacker a malformed SQL query string, the type of database being used, and the version of the application container. This information enables the attacker to target known vulnerabilities in these components.
How it happens
When it is introduced
Typically introduced during these phases of the software lifecycle.
Applies to
Languages
Technologies