【漏洞預警】微軟釋出5月份安全性更新，修補3個零時差漏洞其中2個漏洞已遭駭客利用，請儘速確認並進行更新或評估採取緩解措施

事故類型	ANA-漏洞預警	發現時間	2023-05-16 11:59:38
影響等級	低
[主旨說明:]【漏洞預警】微軟釋出5月份安全性更新，修補3個零時差漏洞(CVE-2023-29325、CVE-2023-29336及CVE-2023-24932)與2個高風險漏洞(CVE-2023-24941與CVE-2023-24943)，其中2個漏洞已遭駭客利用，請儘速確認並進行更新或評估採取緩解措施
[內容說明:] 轉發國家資安資訊分享與分析中心 NISAC-ANA-202305-0234 微軟於5月份安全性更新中，共修補3個零時差漏洞與2個CVSS為9.8分高風險漏洞，請儘速確認並進行更新或評估採取緩解措施。 1.CVE-2023-29325(CVSS 8.1)為遠端執行任意程式碼漏洞，攻擊者可寄送刻意變造之電子郵件，當受駭者使用Outlook開啟或預覽惡意RTF文件時，便會觸發漏洞進而達到遠端執行任意程式碼。 2.CVE-2023-29336(CVSS 7.8)為權限擴張漏洞，已遭駭客利用，發生於Win32K驅動程式，允許已通過身分鑑別之攻擊者，可透過本漏洞取得系統權限。 3.CVE-2023-24932(CVSS 6.7)為安全功能繞過漏洞，已遭駭客利用，允許已取得本機管理權限之攻擊者，可透過本漏洞繞過安全開機(Windows Secure Boot)檢查機制，規避偵測或企圖使惡意程式進駐於系統中。 4.CVE-2023-24941(CVSS 9.8)為遠端執行任意程式碼漏洞，允許未經身分鑑別之遠端攻擊者，針對網路檔案系統(Network File System, NFS)發送偽造請求，進而達到遠端執行任意程式碼。 5.CVE-2023-24943(CVSS 9.8)為遠端執行任意程式碼漏洞，可使攻擊者藉由發送惡意檔案至啟用訊息佇列服務(Message Queuing Service)之實際通用多播(Pragmatic General Multicast)伺服器環境，進而達到遠端執行任意程式碼。情資分享等級: WHITE(情資內容為可公開揭露之資訊) 此訊息僅發送到「區縣市網路中心」，煩請貴單位協助公告或轉發
[影響平台:] ● Windows 10 for 32-bit Systems ● Windows 10 for x64-based Systems ● Windows 10 Version 1607 for 32-bit Systems ● Windows 10 Version 1607 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 20H2 for 32-bit Systems ● Windows 10 Version 20H2 for ARM64-based Systems ● Windows 10 Version 20H2 for x64-based Systems ● Windows 10 Version 21H2 for 32-bit Systems ● Windows 10 Version 21H2 for ARM64-based Systems ● Windows 10 Version 21H2 for x64-based Systems ● Windows 10 Version 22H2 for 32-bit Systems ● Windows 10 Version 22H2 for ARM64-based Systems ● Windows 10 Version 22H2 for x64-based Systems ● Windows 11 version 21H2 for ARM64-based Systems ● Windows 11 version 21H2 for x64-based Systems ● Windows 11 Version 22H2 for ARM64-based Systems ● Windows 11 Version 22H2 for x64-based Systems ● Windows Server 2008 for 32-bit Systems Service Pack 2 ● Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) ● Windows Server 2008 for x64-based Systems Service Pack 2 ● Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) ● Windows Server 2008 R2 for x64-based Systems Service Pack 1 ● Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) ● Windows Server 2012 ● Windows Server 2012 (Server Core installation) ● Windows Server 2012 R2 ● Windows Server 2012 R2 (Server Core installation) ● Windows Server 2016 ● Windows Server 2016 (Server Core installation) ● Windows Server 2019 ● Windows Server 2019 (Server Core installation) ● Windows Server 2022 ● Windows Server 2022 (Server Core installation)
[建議措施:] 目前微軟官方已針對弱點釋出修復版本，各機關可聯絡系統維護廠商進行修補，或參考以下連結進行緩解與取得修補程式： 1.https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-29325 2.https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-29336 3.https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-24932 4.https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-24941 5.https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-24943
[參考資料:] 1. https://www.zerodayinitiative.com/blog/2023/5/8/the-may-2023-security-update-review 2. https://www.ithome.com.tw/news/156822 3. https://msrc.microsoft.com/update-guide/releaseNote/2023-May 4. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-29325 5. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-29336 6. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-24932 7. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-24941 8. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-24943