CVE-2025-13640 Google Chrome密码管理不当实现导致本地认证绕过

// CVE-2025-13640 PoC - Local Authentication Bypass in Chrome Password Manager // Note: This vulnerability requires physical access to the device // This PoC demonstrates the conceptual attack scenario // Attack Prerequisites: // 1. Attacker must have physical access to the target device // 2. Target device must be in an unlocked or logged-in state // 3. Target Chrome version < 143.0.7499.41 // Conceptual Attack Steps: // 1. Gain physical access to the device running vulnerable Chrome version // 2. Open Chrome browser // 3. Navigate to chrome://settings/passwords or Settings > Passwords // 4. Due to the improper implementation, authentication bypass occurs // 5. Stored passwords become accessible without proper verification // 6. Attacker can view/export saved credentials // Example exploitation scenario: function exploitScenario() { console.log("Physical Access Required"); console.log("Target: Chrome < 143.0.7499.41"); // Step 1: Access device const hasPhysicalAccess = true; // Step 2: Open Chrome and navigate to passwords if (hasPhysicalAccess) { // Navigate to chrome://settings/passwords // In vulnerable version, passwords are accessible without auth const passwordsAccessible = true; if (passwordsAccessible) { console.log("Authentication bypass successful"); console.log("Attacker can now access stored credentials"); } } } // Mitigation: Update Chrome to version 143.0.7499.41 or later // Reference: https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html