Lab Description

Software and Data Integrity Failures, classified under A08 in the OWASP Top 10 (2021), involve weaknesses that occur when applications fail to adequately validate software updates, serialized data, or critical configuration files. These gaps allow attackers to inject malicious updates, tamper with sensitive data, or even gain unauthorized code execution privileges.

This lab takes a hands-on approach to understanding and exploiting such vulnerabilities. You will begin by exploring CVE-2017-5941, a real-world vulnerability affecting Drupal's handling of unserialized data. This vulnerability highlights how insecure deserialization can lead to remote code execution, a critical security risk. Next, you will dive into Node-Serialize vulnerabilities in JavaScript environments, which allow attackers to manipulate serialized objects and execute unauthorized code due to improper deserialization handling.

Through these exercises, learners will see firsthand how minor integrity failures can have catastrophic consequences, and how proper validation, secure update mechanisms, and serialization safeguards can help prevent exploitation. By the end of the lab, you’ll have gained practical insight into identifying and mitigating these dangerous flaws in real-world applications.

What You Will Learn

Program Curriculum

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