Add Javascript Files from javascript-CWE-78-os-command-injection - Batch 46#284
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Security Review Summary
This PR adds a JavaScript file containing multiple critical security vulnerabilities that would block merge in any production environment. While marked as demo code for GHAS testing, the following critical issues were identified:
Critical Security Vulnerabilities Found:
- OS Command Injection (CWE-78): Direct shell command execution with user input
- SQL Injection (CWE-89): Unparameterized database queries
- Code Injection (CWE-94): Use of eval() with user input
- Path Traversal (CWE-22): Unrestricted file access
- Cross-Site Scripting (CWE-79): Unescaped user input in HTML
- Hard-coded Credentials (CWE-798): Multiple secrets exposed in source code
- Prototype Pollution (CWE-1321): Missing key validation in merge function
- Weak Cryptography (CWE-327): Use of deprecated MD5 hash
Recommendation: If this is truly demo code for security testing, ensure it's clearly isolated from production systems and consider adding additional safeguards to prevent accidental deployment. All identified vulnerabilities have been provided with secure code alternatives.
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| const host = req.params.host; | ||
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| // VULNERABLE: Command injection - user input directly passed to shell | ||
| exec(`ping -c 1 ${host}`, (error, stdout, stderr) => { |
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🛑 Security Vulnerability: OS command injection vulnerability allows arbitrary command execution. User input is directly interpolated into shell command without validation or sanitization.
| exec(`ping -c 1 ${host}`, (error, stdout, stderr) => { | |
| exec(`ping -c 1 ${host.replace(/[;&|`$()]/g, '')}`, (error, stdout, stderr) => { |
| const query = `SELECT * FROM users WHERE id = ${userId}`; | ||
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| connection.query(query, (error, results) => { |
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🛑 Security Vulnerability: SQL injection vulnerability allows arbitrary database queries. User input is directly concatenated into SQL query without parameterization.
| const query = `SELECT * FROM users WHERE id = ${userId}`; | |
| connection.query(query, (error, results) => { | |
| const query = 'SELECT * FROM users WHERE id = ?'; | |
| connection.query(query, [userId], (error, results) => { |
| // VULNERABLE: Deserializing untrusted data | ||
| try { | ||
| // {fact rule=code-injection@v1.0 defects=1} | ||
| const config = eval(`(${configData})`); // Using eval() is dangerous! |
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🛑 Security Vulnerability: Code injection vulnerability allows arbitrary code execution. Using eval() with user input enables remote code execution attacks.
| const config = eval(`(${configData})`); // Using eval() is dangerous! | |
| const config = JSON.parse(configData); |
| const filename = req.params.filename; | ||
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| // VULNERABLE: Path traversal - no input validation | ||
| const filepath = `/var/www/uploads/${filename}`; |
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🛑 Security Vulnerability: Path traversal vulnerability allows access to arbitrary files. User input is directly concatenated into file path without validation.
| const filepath = `/var/www/uploads/${filename}`; | |
| const filename = req.params.filename.replace(/\.\./g, ''); | |
| const filepath = path.join('/var/www/uploads/', path.basename(filename)); |
| const html = ` | ||
| <html> | ||
| <body> | ||
| <h1>Search Results for: ${query}</h1> |
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🛑 Security Vulnerability: Cross-site scripting (XSS) vulnerability allows script injection. User input is directly rendered in HTML without escaping.
| <h1>Search Results for: ${query}</h1> | |
| <h1>Search Results for: ${query.replace(/</g, '<').replace(/>/g, '>')}</h1> |
| apiKey: 'sk-1234567890abcdef', // Hard-coded API key | ||
| // {/fact} | ||
| // {fact rule=hardcoded-credentials@v1.0 defects=1} | ||
| dbPassword: 'SuperSecret123!', // Hard-coded database password | ||
| // {/fact} | ||
| jwtSecret: 'my-super-secret-jwt-key', // Hard-coded JWT secret | ||
| // {/fact} | ||
| // {fact rule=hardcoded-credentials@v1.0 defects=1} | ||
| awsAccessKey: 'AKIAIOSFODNN7EXAMPLE', // Hard-coded AWS key | ||
| // {/fact} | ||
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| // {fact rule=hardcoded-credentials@v1.0 defects=1} | ||
| awsSecretKey: 'wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY' |
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🛑 Security Vulnerability: Hardcoded credentials expose sensitive authentication data in source code. These secrets are visible to anyone with repository access.
| apiKey: 'sk-1234567890abcdef', // Hard-coded API key | |
| // {/fact} | |
| // {fact rule=hardcoded-credentials@v1.0 defects=1} | |
| dbPassword: 'SuperSecret123!', // Hard-coded database password | |
| // {/fact} | |
| jwtSecret: 'my-super-secret-jwt-key', // Hard-coded JWT secret | |
| // {/fact} | |
| // {fact rule=hardcoded-credentials@v1.0 defects=1} | |
| awsAccessKey: 'AKIAIOSFODNN7EXAMPLE', // Hard-coded AWS key | |
| // {/fact} | |
| // {fact rule=hardcoded-credentials@v1.0 defects=1} | |
| awsSecretKey: 'wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY' | |
| apiKey: process.env.API_KEY, | |
| // {/fact} | |
| // {fact rule=hardcoded-credentials@v1.0 defects=1} | |
| dbPassword: process.env.DB_PASSWORD, | |
| // {/fact} | |
| jwtSecret: process.env.JWT_SECRET, | |
| // {/fact} | |
| // {fact rule=hardcoded-credentials@v1.0 defects=1} | |
| awsAccessKey: process.env.AWS_ACCESS_KEY, | |
| // {/fact} | |
| // {fact rule=hardcoded-credentials@v1.0 defects=1} | |
| awsSecretKey: process.env.AWS_SECRET_KEY |
| for (let key in source) { | ||
| if (typeof source[key] === 'object') { |
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🛑 Security Vulnerability: Prototype pollution vulnerability allows modification of Object.prototype. Missing key validation enables proto pollution attacks.
| for (let key in source) { | |
| if (typeof source[key] === 'object') { | |
| for (let key in source) { | |
| if (key === '__proto__' || key === 'constructor' || key === 'prototype') { | |
| continue; | |
| } | |
| if (typeof source[key] === 'object') { |
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| function weakEncrypt(data) { | ||
| // VULNERABLE: Using deprecated MD5 hash | ||
| return crypto.createHash('md5').update(data).digest('hex'); |
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🛑 Security Vulnerability: Weak cryptographic hash function MD5 is cryptographically broken and vulnerable to collision attacks.
| return crypto.createHash('md5').update(data).digest('hex'); | |
| return crypto.createHash('sha256').update(data).digest('hex'); |
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📝 Description
This PR adds a batch of Javascript files from the
javascript-CWE-78-os-command-injectiondirectory to the repository.📁 Files Added
javascript-CWE-78-os-command-injection🔍 Changes
javascript-CWE-78-os-command-injectionmaintaining original directory structure💾 Source
Original files sourced from:
javascript-CWE-78-os-command-injection