This article will analyze a UAF vulnerability in win32k Window Manager (User) Subsystem in Windows: CVE-2015-2546. Similar to CVE-2017-0263 analyzed in the previous article, this vulnerability is use-after-free of popup menu tagPOPUPMENU object as well. The analyzing environment is Windows 7 x86 SP1 basic virtual machine.
This article will analyze a UAF vulnerability in win32k Window Manager (User) Subsystem in Windows: CVE-2015-2546. Similar to CVE-2017-0263 analyzed in the previous article, this vulnerability is use-after-free of popup menu tagPOPUPMENU object as well. The analyzing environment is Windows 7 x86 SP1...
CVE-2017-0263 是 Windows 操作系统 win32k 内核模块菜单管理组件中的一个 UAF(释放后重用)漏洞,据报道称该漏洞在之前与一个 EPS 漏洞被 APT28 组织组合攻击用来干涉法国大选。这篇文章将对用于这次攻击的样本的 CVE-2017-0263 漏洞部分进行一次简单的分析,以整理出该漏洞利用的运作原理和基本思路,并对 Windows 窗口管理器子系统的菜单管理组件进行简单的探究。分析的环境是 Windows 7 x86 SP1 基础环境的虚拟机。
CVE-2017-0263 is a UAF vulnerability in Menu Management Component in win32k kernel module of Windows operating system, which was reported to be used to attack with an EPS vulnerability to interfere the French election. This article will simply analyze the CVE-2017-0263 part of the attacking sample in order to come up with the operation principle and basic exploiting idea of this vulnerability, and make a brief investigation into the Menu Management Component of Windows Window Manager Subsystem. ...
CVE-2017-0263 是 Windows 操作系统 win32k 内核模块菜单管理组件中的一个 UAF(释放后重用)漏洞,据报道称该漏洞在之前与一个 EPS 漏洞被 APT28 组织组合攻击用来干涉法国大选。这篇文章将对用于这次攻击的样本的 CVE-2017-0263 漏洞部分进行一次简单的分析,以整理出该漏洞利用的运作原理和基本思路,并对 Windows 窗口管理器子系统的菜单管理组件进行简单的探究。分析的环境是 Windows 7 x86 SP1 基础环境的虚拟机。
CVE-2017-0263 is a UAF vulnerability in Menu Management Component in win32k kernel module of Windows operating system, which was reported to be used to attack with an EPS vulnerability to interfere the French election. This article will simply analyze the CVE-2017-0263 part of the attacking sample i...
在上一篇文章中提到了 Windows Vista 及之后版本的 Windows 操作系统在驱动程序加载完成后,驱动中调用的一些系统回调函数(如 ObRegisterCallbacks,可用来监控系统中对进线程句柄的操作,如打开进程、复制线程句柄等)等 API 中会通过 MmVerifyCallbackFunction 函数对该驱动程序进行完整性检查,检测未通过则会返回 0xC0000022 拒绝访问的返回值。在这篇文章中将会对这个函数进行简单的分析,以明确其原理。