Microsoft Windows 支持診斷工具 (MSDT) 遠程代碼執(zhí)行漏洞（CVE-2022-30190）

2022-06-02

一、概要

近日，華為云關(guān)注到業(yè)界有安全研究人員披露漏洞代號為“Follina”，利用Windows 支持診斷工具 (MSDT)實現(xiàn)遠程代碼執(zhí)行的技術(shù)細節(jié)。根據(jù)微軟官方描述，從 Word 等調(diào)用應(yīng)用程序使用 URL 協(xié)議調(diào)用 MSDT 時存在遠程執(zhí)行代碼漏洞（CVE-2022-30190），成功利用此漏洞的攻擊者可以使用調(diào)用應(yīng)用程序的權(quán)限運行任意代碼。目前EXP/POC已公開，已出現(xiàn)在野利用，風(fēng)險較高。

華為云提醒用戶盡快安排自檢并做好安全加固。

參考鏈接：

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-30190

https://msrc-blog.microsoft.com/2022/05/30/guidance-for-cve-2022-30190-microsoft-support-diagnostic-tool-vulnerability/

二、漏洞級別

漏洞級別：【嚴(yán)重】

（說明：漏洞級別共四級：一般、重要、嚴(yán)重、緊急）

三、影響范圍

影響版本：

Windows Server 2012 R2 (Server Core installation)

Windows Server 2012 R2

Windows Server 2012 (Server Core installation)

Windows Server 2012

Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)

Windows Server 2008 R2 for x64-based Systems Service Pack 1

Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)

Windows Server 2008 for x64-based Systems Service Pack 2

Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)

Windows Server 2008 for 32-bit Systems Service Pack 2

Windows RT 8.1

Windows 8.1 for x64-based systems

Windows 8.1 for 32-bit systems

Windows 7 for x64-based Systems Service Pack 1

Windows 7 for 32-bit Systems Service Pack 1

Windows Server 2016  (Server Core installation)

Windows Server 2016

Windows 10 Version 1607 for x64-based Systems

Windows 10 Version 1607 for 32-bit Systems

Windows 10 for x64-based Systems

Windows 10 for 32-bit Systems

Windows 10 Version 21H2 for x64-based Systems

Windows 10 Version 21H2 for ARM64-based Systems

Windows 10 Version 21H2 for 32-bit Systems

Windows 11 for ARM64-based Systems

Windows 11 for x64-based Systems

Windows Server, version 20H2 (Server Core Installation)

Windows 10 Version 20H2 for ARM64-based Systems

Windows 10 Version 20H2 for 32-bit Systems

Windows 10 Version 20H2 for x64-based Systems

Windows Server 2022 Azure Edition Core Hotpatch

Windows Server 2022 (Server Core installation)

Windows Server 2022

Windows 10 Version 21H1 for 32-bit Systems

Windows 10 Version 21H1 for ARM64-based Systems

Windows 10 Version 21H1 for x64-based Systems

Windows Server 2019  (Server Core installation)

Windows Server 2019

Windows 10 Version 1809 for ARM64-based Systems

Windows 10 Version 1809 for x64-based Systems

Windows 10 Version 1809 for 32-bit Systems

安全版本：暫無

五、安全建議

截止到目前微軟官方還未發(fā)布安全補丁，請受影響用戶關(guān)注微軟官方發(fā)布補丁進展，及時升級修復(fù)。

緩解措施：

1、警惕點擊來源不明的郵件附件文檔；

2、禁用 MSDT URL 協(xié)議：參考官方提供的緩解措施，禁用 MSDT URL 協(xié)議或通過 Microsoft Defender 檢測和保護系統(tǒng)進行臨時緩解，詳情請查看：guidance-for-cve-2022-30190-microsoft-support-diagnostic-tool-vulnerability

注：修復(fù)漏洞前請將資料備份，并進行充分測試。