CWE-545: DEPRECATED: Use of Dynamic Class Loading

What is DEPRECATED: Use of Dynamic Class Loading?

• Overview: Dynamic class loading refers to the practice of loading classes into a program at runtime rather than at compile time. This approach can introduce security vulnerabilities if not properly managed, as malicious code can be loaded and executed.

• Exploitation Methods:

• Attackers can exploit this vulnerability by injecting malicious classes that are loaded and executed at runtime.
• Common attack patterns include manipulating class paths, using reflection to invoke methods, and exploiting deserialization vulnerabilities.

• Security Impact:

• Direct consequences of successful exploitation include unauthorized code execution and system compromise.
• Potential cascading effects include data breaches, privilege escalation, and denial of service.
• Business impact could involve financial loss, damage to reputation, and legal liabilities.

• Prevention Guidelines:

• Specific code-level fixes include validating input paths and ensuring classes are loaded from trusted sources.
• Security best practices involve minimizing the use of dynamic class loading and employing strict access controls.
• Recommended tools and frameworks include using security libraries that enforce class loading policies and conducting regular security audits.

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Technical Details

Likelihood of Exploit: Not specified

Affected Languages: Not specified

Affected Technologies: Not specified