0x000 漏洞信息
CVE-2019-0803 | Win32k 特权提升漏洞
发布时间: 2019-04-09
当 Win32k 组件无法正确处理内存中的对象时，Windows 中存在特权提升漏洞。成功利用此漏洞的攻击者可以在内核模式中运行任意代码。攻击者可随后安装程序；查看、更改或删除数据；或者创建拥有完全用户权限的新帐户。
若要利用此漏洞，攻击者首先必须登录到系统。然后，攻击者可以运行一个为利用此漏洞而经特殊设计的应用程序，从而控制受影响的系统。

0x001 影响版本

Microsoft Windows Server 2019 0
Microsoft Windows Server 2016 0
Microsoft Windows Server 2012 R2 0
Microsoft Windows Server 2012 0
Microsoft Windows Server 2008 R2 for x64-based Systems SP1
Microsoft Windows Server 2008 R2 for Itanium-based Systems SP1
Microsoft Windows Server 2008 for x64-based Systems SP2
Microsoft Windows Server 2008 for Itanium-based Systems SP2
Microsoft Windows Server 2008 for 32-bit Systems SP2
Microsoft Windows Server 1803 0
Microsoft Windows Server 1709 0
Microsoft Windows RT 8.1
Microsoft Windows 8.1 for x64-based Systems 0
Microsoft Windows 8.1 for 32-bit Systems 0
Microsoft Windows 7 for x64-based Systems SP1
Microsoft Windows 7 for 32-bit Systems SP1
Microsoft Windows 10 Version 1809 for x64-based Systems 0
Microsoft Windows 10 Version 1809 for ARM64-based Systems 0
Microsoft Windows 10 Version 1809 for 32-bit Systems 0
Microsoft Windows 10 Version 1803 for x64-based Systems 0
Microsoft Windows 10 Version 1803 for ARM64-based Systems 0
Microsoft Windows 10 Version 1803 for 32-bit Systems 0
Microsoft Windows 10 version 1709 for x64-based Systems 0
Microsoft Windows 10 Version 1709 for ARM64-based Systems 0
Microsoft Windows 10 version 1709 for 32-bit Systems 0
Microsoft Windows 10 version 1703 for x64-based Systems 0
Microsoft Windows 10 version 1703 for 32-bit Systems 0
Microsoft Windows 10 Version 1607 for x64-based Systems 0
Microsoft Windows 10 Version 1607 for 32-bit Systems 0
Microsoft Windows 10 for x64-based Systems 0
Microsoft Windows 10 for 32-bit Systems 0

 0x002 EXP用法

Usage:  CVE-2019-0803.exe cmd cmdline

如图：可能需执行3-4次左右才能提权成功,测试系统为Win7 X64,其它未测。

0x003 下载

https://github.com/k8gege/K8tools/raw/master/CVE-2019-0803.exe

0x004 补丁

补丁号有很多个，不同的系统补丁号不一样，有时新的补丁包含旧洞补丁

旧的补丁号会被替换掉，所以每次提权都应该先到官方查看下对应补丁号

不要老是查询有没旧的补丁号，然后再去提权，没有旧的补丁号不代表没补

https://portal.msrc.microsoft.com/zh-cn/security-guidance/advisory/CVE-2019-0803

0x005 链接

https://www.exploit-db.com/exploits/46920
(steal Security token) https://github.com/mwrlabs/CVE-2016-7255
EDB Note: Download ~ https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/46920.zip

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0803
http://packetstormsecurity.com/files/153034/Microsoft-Windows-Win32k-Privilege-Escalation.html