3.7.6 CVE-2018-8120

漏洞名称

windows本地权限提升 (CVE-2018-8120)

漏洞等级

高危

漏洞描述

部分版本Windows系统win32k.sys组件的NtUserSetImeInfoEx()系统服务函数内部未验证内核对象中的空指针对象,普通应用程序可利用该空指针漏洞以内核权限执行任意代码。

漏洞影响

Windows 7 for 32-bit Systems Service Pack 1

Windows 7 for x64-based Systems Service Pack 1

Windows Server 2008 for 32-bit Systems Service Pack 2

Windows Server 2008 for 32-bit Systems Service Pack 2

Windows Server 2008 for Itanium-Based Systems ServicePack 2

Windows Server 2008 for x64-based Systems Service Pack 2

Windows Server 2008 for x64-based Systems Service Pack 2

Windows Server 2008 R2 for Itanium-Based Systems ServicePack 1

Windows Server 2008 R2 for x64-based Systems ServicePack 1

Windows Server 2008 R2 for x64-based Systems ServicePack 1

复现过程

实验环境:Windows Server 2008 R2

在administrator下可以看到用户已成功添加,即成功执行了命令

漏洞修复

微软已经发布安全公告及相应的补丁。

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