CWE-1047: Modules with Circular Dependencies
Learn about CWE-1047 (Modules with Circular Dependencies), its security impact, exploitation methods, and prevention guidelines.
What is Modules with Circular Dependencies?
• Overview: Modules with circular dependencies occur when two or more modules in a software system are interdependent, creating a loop. This can complicate the software architecture, making it harder to maintain, debug, and secure.
• Exploitation Methods:
- Attackers might not directly exploit circular dependencies, but these can obscure vulnerabilities within the code.
- Complex interdependencies can lead to unpredictable software behavior, which attackers might exploit through other vulnerabilities.
• Security Impact:
- Direct consequences can include increased difficulty in identifying and fixing vulnerabilities.
- Potential cascading effects include software crashes or malfunctions that can arise from complex dependency scenarios.
- Business impact involves increased maintenance costs and potential downtime due to harder-to-maintain code.
• Prevention Guidelines:
- Specific code-level fixes include refactoring code to eliminate circular dependencies and improve modularity.
- Security best practices involve maintaining clear module boundaries and using dependency inversion principles.
- Recommended tools and frameworks include static analysis tools to detect circular dependencies and architectural patterns that promote loose coupling.
Technical Details
Likelihood of Exploit: Not specified
Affected Languages: Not specified
Affected Technologies: Not specified