windows print spooler 远程代码执行漏洞 -正规网赌十大娱乐棋牌

2021年7月1日，微软发布了windows print spooler远程代码执行漏洞（cve-2021-34527）。日前，该漏洞的exp已在网络上公开。微软官方暂无相关补丁。该exp可以绕过微软6月针对cve-2021-1675的补丁。建议相关用户尽早做好缓解措施，暂时关闭相关的print spooler服务。

 windows print spooler是windows的打印机后台处理程序，广泛的应用于各种内网中，攻击者可以利用该0day漏洞使用一个低权限用户（包括匿名共享guest账户），对本地网络中的电脑发起攻击，控制存在漏洞的电脑。尤其在企业内部，在域环境中，普通域用户，可以通过该服务，攻击域控服务器，从而控制整个网络。

此次泄漏的exp利用难度低，同时该漏洞广泛存在于各个windows版本中。且成功利用该漏洞的攻击者可以完整的控制域环境，攻击可能造成的后果严重，所以该漏洞的利用价值极高。

毒霸安全专家建议相关用户尽快升级系统以修复该漏洞，避免受到黑客攻击。

- 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 coreinstallation)

- windows server 2008 r2 for x64-based systems service pack 1

- windows server 2008 for x64-based systems service pack 2 (server coreinstallation)

- windows server 2008 for x64-based systems service pack 2

- windows server 2008 for 32-bit systems service pack 2 (server coreinstallation)

- 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 coreinstallation)

- 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 server, version 1909 (server core installation)

- 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 coreinstallation)

- 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

目前正式补丁尚未发布，相关用户可以通过禁用print spooler服务来缓解漏洞风险。

临时正规网赌十大娱乐棋牌的解决方案：

运行service.msc，在服务列表中找到printspooler服务。 

右键打开服务属性，将服务类型修改为“禁用”，并停止该服务。