Add Javascript Files from javascript-CWE-78-os-command-injection - Batch 34

[amazon-pratik]

📝 Description

This PR adds a batch of Javascript files from the javascript-CWE-78-os-command-injection directory to the repository.

📁 Files Added

• Source Folder: javascript-CWE-78-os-command-injection
• Batch: javascript-cwe-78-os-command-injection-javascript-batch-34
• Language: Javascript
• Contains javascript files collected from the source directory

🔍 Changes

• Added javascript files from javascript-CWE-78-os-command-injection maintaining original directory structure
• Files organized in batch 34 for easier review
• Ready for integration and testing

💾 Source

Original files sourced from: javascript-CWE-78-os-command-injection

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[amazon-q-developer]

⏳ Code review in progress. Analyzing for code quality issues and best practices. You can monitor the review status in the checks section at the bottom of this pull request. Detailed findings will be posted upon completion.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feature/javascript-cwe-78-os-command-injection-javascript-batch-34

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[amazon-q-developer]

Security Review Summary

This PR introduces JavaScript code with critical security vulnerabilities that must be addressed before merge:

Critical Issues Found:

1. OS Command Injection (CWE-78) - Direct user input interpolation in shell commands
2. Information Disclosure (CWE-209) - Sensitive error details exposed to clients
3. System Information Leakage - Stderr output revealing system internals

Recommendation:

BLOCK MERGE - These vulnerabilities create immediate security risks including arbitrary command execution and information disclosure. All identified security issues must be resolved before this code can be safely integrated.

The code appears to be intentionally vulnerable for testing purposes, but proper input validation and error handling are essential even in test scenarios to prevent accidental exposure.

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[amazon-q-developer]

🛑 Security Vulnerability: Direct command injection vulnerability allows arbitrary command execution. The user-controlled host parameter is directly interpolated into the shell command without validation or sanitization, enabling attackers to execute malicious commands¹.

Suggested change

	exec(`ping -c 4 ${host}`, (error, stdout, stderr) => {
	exec(`ping -c 4 ${host.replace(/[;&|`$()]/g, '')}`, (error, stdout, stderr) => {

Footnotes

1. CWE-78: OS Command Injection - https://cwe.mitre.org/data/definitions/78.html ↩

[amazon-q-developer]

🛑 Information Disclosure: Error messages expose sensitive system information including full error details and stderr output to clients, which can aid attackers in reconnaissance¹.

Suggested change

	return res.status(500).send(`Error: ${error.message}\nStderr: ${stderr}`);
	return res.status(500).send('Command execution failed');

Footnotes

1. CWE-209: Information Exposure Through Error Messages - https://cwe.mitre.org/data/definitions/209.html ↩

[amazon-q-developer]

🛑 Information Disclosure: Stderr output is directly exposed to clients, potentially revealing system paths, configuration details, or other sensitive information.

Suggested change

	return res.status(500).send(`Stderr: ${stderr}`);
	return res.status(500).send('Command execution encountered an error');