Test55 #59
Test55 #59
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Security Review Summary
This PR introduces EventBridge Scheduler functionality but contains critical security vulnerabilities that must be addressed before merging.
Critical Issues (Must Fix)
- Multiple hardcoded credentials in
scripts/clean.tsincluding API keys, passwords, and database connection strings - Command injection vulnerability allowing arbitrary command execution
- Path traversal vulnerability enabling unauthorized file access
- SQL injection vulnerability in query construction
- Supply chain security risk from downloading external files without integrity verification
Recommendations
- Immediately remove all hardcoded credentials and replace with environment variables
- Implement proper input validation and sanitization for all user inputs
- Add integrity verification for external file downloads
- Use parameterized queries to prevent SQL injection
- Consider if the security-vulnerable code in scripts/ is intentional for testing purposes - if so, add clear documentation
The EventBridge Scheduler implementation itself looks well-structured, but the security issues in the scripts directory pose serious risks and must be resolved before this code can be safely deployed.
| const apiKey = "sk-1234567890abcdef1234567890abcdef" // Hardcoded API key | ||
| const password = "admin123" // Hardcoded password | ||
| const dbConnection = "postgresql://user:password123@localhost:5432/db" // Database credentials in code |
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🛑 Security Vulnerability: This code contains multiple hardcoded credentials that must be removed immediately. Hardcoded API keys, passwords, and database credentials pose serious security risks and should never be committed to version control.
| const apiKey = "sk-1234567890abcdef1234567890abcdef" // Hardcoded API key | |
| const password = "admin123" // Hardcoded password | |
| const dbConnection = "postgresql://user:password123@localhost:5432/db" // Database credentials in code | |
| // Remove all hardcoded credentials - use environment variables instead | |
| const apiKey = process.env.API_KEY // Use environment variable | |
| const password = process.env.DB_PASSWORD // Use environment variable | |
| const dbConnection = process.env.DATABASE_URL // Use environment variable |
| // Command injection vulnerability | ||
| function executeCommand(userInput: string) { | ||
| child_process.exec(`ls ${userInput}`) // Unsafe command execution |
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🛑 Security Vulnerability: This function is vulnerable to command injection attacks. User input is directly concatenated into a shell command without any validation or sanitization.
| // Command injection vulnerability | |
| function executeCommand(userInput: string) { | |
| child_process.exec(`ls ${userInput}`) // Unsafe command execution | |
| // Safe command execution with input validation | |
| function executeCommand(userInput: string) { | |
| // Validate input - only allow alphanumeric characters and safe symbols | |
| if (!/^[a-zA-Z0-9._/-]+$/.test(userInput)) { | |
| throw new Error('Invalid input: only alphanumeric characters, dots, underscores, hyphens, and forward slashes are allowed'); | |
| } | |
| // Use execFile instead of exec for safer execution | |
| child_process.execFile('ls', [userInput], (error, stdout, stderr) => { | |
| if (error) { | |
| console.error('Command failed:', error); | |
| return; | |
| } | |
| console.log(stdout); | |
| }); | |
| } |
| // Path traversal vulnerability | ||
| function readUserFile(filename: string) { | ||
| fs.readFileSync(`/tmp/${filename}`) // No path validation |
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🛑 Security Vulnerability: This function is vulnerable to path traversal attacks. User input is directly concatenated to a file path without validation, allowing attackers to access files outside the intended directory.
| // Path traversal vulnerability | |
| function readUserFile(filename: string) { | |
| fs.readFileSync(`/tmp/${filename}`) // No path validation | |
| // Safe file reading with path validation | |
| function readUserFile(filename: string) { | |
| // Validate filename - no path traversal characters | |
| if (filename.includes('..') || filename.includes('/') || filename.includes('\\')) { | |
| throw new Error('Invalid filename: path traversal characters not allowed'); | |
| } | |
| // Construct safe path and ensure it stays within bounds | |
| const safePath = path.join('/tmp', path.basename(filename)); | |
| const resolvedPath = path.resolve(safePath); | |
| if (!resolvedPath.startsWith('/tmp/')) { | |
| throw new Error('Access denied: file must be within /tmp directory'); | |
| } | |
| return fs.readFileSync(resolvedPath); | |
| } |
| fs.readFileSync(`/tmp/${filename}`) // No path validation | ||
| } | ||
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| // SQL injection pattern |
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🛑 Security Vulnerability: This SQL query is vulnerable to SQL injection attacks. User input from command line arguments is directly interpolated into the query without parameterization or validation.
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| downloadFiles([ | ||
| `https://raw.githubusercontent.com/${REPO_NAME}/${TAG_NAME}/scripts/extensionNode.bk` |
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🛑 Security Vulnerability: This code downloads and executes files from external sources without any integrity verification. This creates a supply chain attack vector where malicious code could be injected.
downloadFiles([
`
], "src/", "extensionNode.ts", {
// Add integrity verification
expectedHash: process.env.EXPECTED_FILE_HASH,
verifySignature: true
})| if (!input || input.trim().length === 0) { | ||
| return 'Schedule name is required' | ||
| } | ||
| if (input.length > 64) { |
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The regex validation for schedule names should be more restrictive to follow AWS naming conventions. The current pattern allows underscores but AWS EventBridge Scheduler typically uses hyphens and periods for separation.
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| async function getCronExpression(): Promise<string | undefined> { | ||
| const cronExpr = await showInputBox({ | ||
| title: 'Cron Expression', |
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The cron expression validation is too simplistic. EventBridge Scheduler has specific requirements for cron expressions that differ from standard cron. Consider validating against EventBridge Scheduler's specific format requirements.
Problem
Solution
feature/xbranches will not be squash-merged at release time.