This challenge covers the review of a CVE in a Java codebase and its patch

< 1 Hr.


The Code Review Patch challenges are designed to enhance your ability to spot vulnerabilities in code by providing both the original vulnerable code and the patch that fixes it. Start by reviewing the code to identify any potential issues. This process encourages the development of a keen eye for security flaws and reinforces the understanding of common vulnerabilities. If you're unable to locate the issue or wish to verify your findings, you can then look at the provided patch (the diff file) to see how it addresses the problem.

In this particular challenge, you are presented with an LDAP-based backend implementation from the Apache Kerby project. The task involves understanding the code's logic and identifying security weaknesses. The patch introduces a change in how search filters are constructed, using `FilterBuilder` to mitigate potential vulnerabilities. This exercise not only sharpens your code review skills but also educates you on practical ways to improve security in Java applications.

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