一、漏洞詳情

Print Spooler是Windows系統(tǒng)中用于管理打印相關(guān)事務(wù)的服務(wù)。

該漏洞在域環(huán)境中合適的條件下，無(wú)需任何用戶交互，未經(jīng)身份驗(yàn)證的遠(yuǎn)程攻擊者就可以利用該漏洞以SYSTEM權(quán)限在域控制器上執(zhí)行任意代碼，從而獲得整個(gè)域的控制權(quán)。

建議受影響用戶及時(shí)更新漏洞補(bǔ)丁進(jìn)行防護(hù)，做好資產(chǎn)自查以及預(yù)防工作，以免遭受黑客攻擊。

二、影響范圍

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 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, version 2004 (Server Core installation)

Windows 10 Version 2004 for x64-based Systems

Windows 10 Version 2004 for ARM64-based Systems

Windows 10 Version 2004 for 32-bit Systems

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 10 Version 1909 for ARM64-based Systems

Windows 10 Version 1909 for x64-based Systems

Windows 10 Version 1909 for 32-bit 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

三、修復(fù)建議

1.官方建議：

目前官方已發(fā)布漏洞修復(fù)補(bǔ)丁，建議受影響用戶盡快更新漏洞補(bǔ)丁。

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1675

2. 臨時(shí)防護(hù)措施：

若相關(guān)用戶暫時(shí)無(wú)法進(jìn)行補(bǔ)丁更新，可通過(guò)禁用Print Spooler服務(wù)來(lái)進(jìn)行緩解：

1）在服務(wù)應(yīng)用（services.msc）中找到Print Spooler服務(wù)。

2）停止運(yùn)行服務(wù)，同時(shí)將“啟動(dòng)類(lèi)型”修改為“禁用”。