一、漏洞详情
Win32k.sys是Windows操作系统的一个核心系统文件,它是Win32 API的一部分,负责处理图形用户界面(GUI)相关的任务。
近日监测到Windows Win32k权限提升漏洞(CVE-2023-29336)的技术细节和POC已在互联网上公开,由于Win32k中存在释放后重用漏洞,经过身份认证的本地攻击者可以构造恶意程序触发该漏洞,成功利用此漏洞可以提升权限至SYSTEM或造成系统崩溃。
建议受影响用户做好资产自查以及预防工作,以免遭受黑客攻击。
二、影响范围
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 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
三、修复建议
该漏洞已在微软发布的安全更新中修复,受影响用户可及时安装补丁。
下载链接:https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29336