MediaTek显示组件越界写入漏洞导致本地权限提升(CVE-2025-20782)

# CVE-2025-20782 PoC - MediaTek Display Component Out of Bounds Write # Note: This is a conceptual PoC as detailed technical information is not publicly available # The actual exploitation requires local access and existing system-level privileges import os import sys def check_vulnerability(): """Check if the system is vulnerable to CVE-2025-20782""" # MediaTek display driver vulnerability check # Requires: 1. Local access 2. System privileges print("[*] Checking for CVE-2025-20782 vulnerability...") print("[*] Target: MediaTek Display Component (ALPS)") print("[*] Vulnerability: Out of bounds write due to missing bounds check") # Check if running with system privileges if os.geteuid() == 0: print("[+] Running as root - system privileges confirmed") else: print("[-] System privileges required for exploitation") print("[*] Note: This vulnerability requires existing elevated privileges") return False # Check MediaTek display driver vulnerable_paths = [ "/dev/mtk_disp", "/dev/mediatek/mtk_disp", "/sys/class/misc/mtk_disp" ] for path in vulnerable_paths: if os.path.exists(path): print(f"[+] Found potentially vulnerable display driver at: {path}") print("[*] This vulnerability requires MediaTek ALPS display component") print("[*] Recommended action: Apply security patch ALPS10182882") return None def main(): check_vulnerability() if __name__ == "__main__": main() # Note: Actual exploitation requires: # 1. Device with vulnerable MediaTek display component # 2. Local access to the device # 3. Existing system-level privileges # 4. Knowledge of specific memory addresses and driver internals # Public PoC is not available; apply official patch ALPS10182882