內容說明：

微軟Windows編解碼器函式庫(Windows Codecs Library)可運用於協助Windows作業系統播放、壓縮及解壓縮不同編碼格式之影音檔案，該函式庫在處理記憶體中物件之方式存在安全漏洞(CVE-2020-1425與CVE-2020-1457)，遠端攻擊者可利用此漏洞獲取系統重要資訊，進而執行任意程式碼。

 

受影響Windows版本如下:

Windows 10 Version 1709 for 32-bit Systems
Windows 10 Version 1709 for ARM64-based Systems
Windows 10 Version 1709 for x64-based Systems
Windows 10 Version 1803 for 32-bit Systems
Windows 10 Version 1803 for ARM64-based Systems
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1903 for 32-bit Systems
Windows 10 Version 1903 for ARM64-based Systems
Windows 10 Version 1903 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for x64-based Systems

 

建議措施：

1. 目前微軟官方已針對此弱點釋出更新程式，透過Microsoft Store可自動更新受影響之Windows應用程式，確認方式如下：
(1) 開啟Microsoft Store應用程式。
(2) 點選頁面右上角之「…」。
(3) 顯示列表中點選「設定」，確定已開啟「自動更新App」設定，即可自動更新。
2. 如欲手動更新，請於顯示列表中點選「下載與更新」，點擊「取得更新」進行更新作業。

 

參考資料：

1. https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-1425
2. https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-1457
3. https://www.ithome.com.tw/news/138533
4. https://3c.ltn.com.tw/news/40894
5. https://www.ghacks.net/2020/07/01/critical-windows-codecs-security-issue-affects-windows-10-and-server/