Windows Print Spooler 遠(yuǎn)程代碼執(zhí)行漏洞安全風(fēng)險(xiǎn)通告
發(fā)布日期:2021-6-30
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漏洞描述
Windows Print Spooler是Windows的打印機(jī)后臺(tái)處理程序,廣泛的應(yīng)用于各種內(nèi)網(wǎng)中。微軟在2021年6月的安全更新中修復(fù)了一處 Windows Print Spooler 遠(yuǎn)程代碼執(zhí)行漏洞(CVE-2021-1675)。
該漏洞源于Windows Print Spooler未能正確地實(shí)施安全限制,攻擊者可繞過RpcAddPrinterDriver的安全檢查,在打印機(jī)服務(wù)器上安裝惡意驅(qū)動(dòng)程序。域用戶可連接到域控制器中的Spooler服務(wù)在域控制器中安裝惡意驅(qū)動(dòng),從而完全控制整個(gè)域。該漏洞可用于實(shí)現(xiàn)本地特權(quán)提升和遠(yuǎn)程代碼執(zhí)行(遠(yuǎn)程代碼執(zhí)行需要Spooler服務(wù)上經(jīng)過認(rèn)證的用戶)。
漏洞編號(hào)
CVE-2021-1675
漏洞危害
攻擊者可繞過RpcAddPrinterDriver的安全檢查,在打印機(jī)服務(wù)器上安裝惡意驅(qū)動(dòng)程序。域用戶可連接到域控制器中的Spooler服務(wù)在域控制器中安裝惡意驅(qū)動(dòng),從而完全控制整個(gè)域。
漏洞等級(jí)
高危
受影響版本
Windows Server 2019 (Server Core installation)
Windows Server 2019
Windows Server 2016 (Server Core installation)
Windows Server 2016
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 Server, version 2004 (Server Core installation)
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 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 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 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
修復(fù)方案
微軟已發(fā)布補(bǔ)丁修復(fù)漏洞,用戶請(qǐng)盡快下載安裝更新:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1675
參考鏈接
1、https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1675