CWE-1080: Source Code File with Excessive Number of Lines of Code
Learn about CWE-1080 (Source Code File with Excessive Number of Lines of Code), its security impact, exploitation methods, and prevention guidelines.
What is Source Code File with Excessive Number of Lines of Code?
• Overview: A source code file with excessive lines of code can lead to difficulties in understanding and maintaining the code, indirectly affecting security by making it harder to identify and fix vulnerabilities. Files exceeding a threshold, typically 1000 lines, risk being overly complex.
• Exploitation Methods:
- Attackers can exploit this vulnerability by hiding malicious code in large files, making it harder for developers to spot.
- Common attack patterns include introducing subtle bugs or backdoors in dense code areas, knowing they might be overlooked during review.
• Security Impact:
- Direct consequences include increased difficulty in code auditing and vulnerability identification.
- Potential cascading effects involve longer response times to emerging threats and less effective patch implementations.
- Business impact includes increased maintenance costs and potential for security breaches due to overlooked vulnerabilities.
• Prevention Guidelines:
- Specific code-level fixes include refactoring large files into smaller, more manageable modules or classes.
- Security best practices involve setting and adhering to a maximum line count for source files and enforcing code review standards.
- Recommended tools and frameworks include static analysis tools that can identify large files and suggest refactoring opportunities, and IDEs that support code modularization.
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Technical Details
Likelihood of Exploit: Not specified
Affected Languages: Not specified
Affected Technologies: Not specified