A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2. An app may be able to access sensitive user data.
The following code is for security research and authorized testing only.
python
# CVE-2025-43519 PoC - macOS权限绕过漏洞演示
# Author: Security Research
# Note: This is for educational purposes only
import subprocess
import plistlib
import os
import sys
def check_system_version():
"""Check if the system version is vulnerable"""
try:
result = subprocess.run(
['sw_vers', '-productVersion'],
capture_output=True,
text=True,
timeout=5
)
version = result.stdout.strip()
print(f'[*] Detected macOS version: {version}')
return version
except Exception as e:
print(f'[-] Failed to get system version: {e}')
return None
def check_vulnerability_status(version):
"""Check if the current version is vulnerable"""
if not version:
return False
vulnerable_ranges = [
('15.7', '15.7.2'), # macOS Sequoia
('14.8', '14.8.2'), # macOS Sonoma
('26.2', '26.1') # macOS Tahoe
]
for min_ver, max_ver in vulnerable_ranges:
if version.startswith(min_ver):
print(f'[+] System version {version} is in vulnerable range')
print(f'[*] Vulnerable versions: < {max_ver}')
return True
print('[-] System version is not in vulnerable range')
return False
def simulate_privilege_escalation():
"""
Simulate the privilege escalation attack vector
In real attack, this would exploit the permission bypass
to access sensitive user data without proper authorization
"""
print('[*] Simulating CVE-2025-43519 attack vector...')
# In actual exploitation, attacker would:
# 1. Create a malicious application with specific entitlements
# 2. Exploit race condition in permission checking
# 3. Access protected directories before permission verification
sensitive_paths = [
'~/Library/Application Support/',
'~/Library/Preferences/',
'~/Library/Containers/',
'/Users/Shared/',
]
for path in sensitive_paths:
expanded_path = os.path.expanduser(path)
if os.path.exists(expanded_path):
print(f'[*] Would attempt to access: {expanded_path}')
print('[*] Attack simulation completed')
return True
def main():
print('=' * 60)
print('CVE-2025-43519 Vulnerability Checker')
print('macOS Permission Bypass Leading to Sensitive Data Access')
print('=' * 60)
version = check_system_version()
if not version:
print('[-] Unable to determine system version')
sys.exit(1)
is_vulnerable = check_vulnerability_status(version)
if is_vulnerable:
print('[!] System is potentially vulnerable to CVE-2025-43519')
print('[!] Recommended action: Update to latest macOS version')
simulate_privilege_escalation()
else:
print('[+] System appears to be patched')
print('[+] Continue using current macOS version')
if __name__ == '__main__':
main()