Microsoft Windows Kernel - DeferWindowPos Use-After-Free (MS15-073)

Microsoft Windows Kernel - DeferWindowPos Use-After-Free MS15-073 Source: https://code.google.com/p/google-security-research/issues/detail?id=339 The attached PoC demonstrate a use-after-free condition that occurs when operating on a DeferWindowPos object from multiple threads. The DeferWindowPos...

Microsoft Windows Kernel - bGetRealizedBrush Use-After-Free (MS15-097)

Microsoft Windows Kernel - bGetRealizedBrush Use-After-Free MS15-097 Source: https://code.google.com/p/google-security-research/issues/detail?id=458 --- The attached testcase crashes Win 7 with Special Pool on win32k while accessing freed memory in bGetRealizedBrush​​. --- Proof of Concept:...

Microsoft Windows Kernel - Bitmap Handling Use-After-Free (MS15-061) (1)

Source: https://code.google.com/p/google-security-research/issues/detail?id=293 Platform: Win7 32-bit. trigger.cpp should fire the issue, with two caveats: - PoC will NOT work if compiled as a debug build. - PoC will trigger the condition every time but the subsequent corruption might not cause a...

Microsoft Windows Kernel - 'NtGdiStretchBlt' Pool Buffer Overflow (MS15-097)

Source: https://code.google.com/p/google-security-research/issues/detail?id=415 --- Tested on Win 7 32-bit with Special Pool enabled. Multiple pool buffer overflows can be triggered through the NtGdiStretchBlt system call. The attached PoC demonstrates a write overflow and another read over flow...

Microsoft Windows Kernel - Null Pointer Dereference with Window Station and Clipboard (MS15-061)

Source: https://code.google.com/p/google-security-research/issues/detail?id=294 Platform: Win7 32-bit. trigger.cpp should fire the issue, with a caveat - PoC might NOT work if compiled as a debug build. windbg.txt is a sample crash log. Analysis from Nils: --- please find attached a C trigger,...

Microsoft Windows Kernel - Use-After-Free with Cursor Object (MS15-097)

Microsoft Windows Kernel - Use-After-Free with Cursor Object MS15-097 Source: https://code.google.com/p/google-security-research/issues/detail?id=457 --- The attached testcase crashes Win 7 with Special Pool enabled while accessing the freed global cursor object gpqCursor​. See poc.cpp for...

Microsoft Windows Kernel - Use-After-Free with Cursor Object (MS15-097)

Source: https://code.google.com/p/google-security-research/issues/detail?id=457 --- The attached testcase crashes Win 7 with Special Pool enabled while accessing the freed global cursor object gpqCursor. See poc.cpp for instructions on how to compile and run. Proof of Concept:...

Microsoft Windows Kernel - win32k!vSolidFillRect Buffer Overflow (MS15-061)

Microsoft Windows Kernel - win32k!vSolidFillRect Buffer Overflow MS15-061 Source: https://code.google.com/p/google-security-research/issues/detail?id=313 The PoC triggers a pool buffer overflow in win32k!vSolidFillRect. ​When using Special Pool we get the crash immediately on the overwrite. Witho...

Microsoft Windows Kernel - 'FlashWindowEx​' Memory Corruption (MS15-097)

Source: https://code.google.com/p/google-security-research/issues/detail?id=475 --- The attached PoC triggers a wild write on Win 7 32-bit with Special Pool enabled on win32k.sys. --- Proof of Concept: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/38276.zip...

Microsoft Windows Kernel - 'win32k!vSolidFillRect' Buffer Overflow (MS15-061)

Source: https://code.google.com/p/google-security-research/issues/detail?id=313 The PoC triggers a pool buffer overflow in win32k!vSolidFillRect. When using Special Pool we get the crash immediately on the overwrite. Without Special Pool we often get a crash in the same function, but sometimes it...

Microsoft Windows Kernel Mode Driver Elevation of Privilege Vulnerability

Microsoft Windows Kernel Mode Driver is a monitor driver. An elevation of privilege vulnerability exists in Microsoft Windows Kernel Mode Driver, which can be exploited by an attacker to elevate privileges and execute arbitrary code...

Privilege escalation

win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to gain privileges or cause a denial of service...

Microsoft Windows Kernel Privilege Escalation Vulnerabilities (2930275)

This host is missing an important security update according to Microsoft Bulletin MS14-015 OpenVAS Vulnerability Test $Id: gbms14-015.nasl 6724 2017-07-14 09:57:17Z teissa $ Microsoft Windows Kernel Privilege Escalation Vulnerabilities 2930275 Authors: Antu Sanadi Copyright: Copyright C 2014...

KB2914486: Vulnerability in Microsoft Windows Kernel Could Allow Elevation of Privilege

The remote host has an unspecified privilege elevation vulnerability in NDProxy.sys, a system-provided communications driver. Successful exploitation of this vulnerability could allow an attacker to run arbitrary code in kernel mode. Additionally, the attacker could view, change or even delete...

Microsoft Windows Kernel Privilege Elevation Vulnerabilities (2859537)

This host is missing an important security update according to Microsoft Bulletin MS13-063. SPDX-FileCopyrightText: 2013 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only...

Microsoft Windows kernel UDP processing integer overflow

Integer overflow leads to code execution via the flow of UDP packets to closed port...

Microsoft Windows Kernel win32k.sys DragObject Code Execution (MS11-034; CVE-2011-1238)

The Windows kernel is the core of the operating system. It provides system-level services such as device management and memory management, allocates processor time to processes, and manages error handling. An elevation of privilege vulnerability has been reported in the Windows kernel. The...

VUPEN Security Research - Microsoft Windows Kernel "GetDCEx()" Memory Corruption Vulnerability (CVE-2010-0484)

VUPEN Security Research - Microsoft Windows Kernel "GetDCEx" Memory Corruption Vulnerability CVE-2010-0484 http://www.vupen.com/english/research.php I. BACKGROUND --------------------- "Microsoft Windows is the operating system developed by Microsoft. As of May 2010, Windows was the most widely...

Microsoft Windows Kernel Input Validation Remote Code Execution (MS09-006; CVE-2009-0081)

The Windows kernel is the core of the operating system. It provides system level services, allocates processor time to processes, and manages error handling. A remote code execution vulnerability has been discovered in the Windows kernel.The vulnerability is due to an error in the Windows kernel...

MS08-061: Microsoft Windows Kernel Multiple Privilege Elevation (954211)

The remote host contains a version of the Windows kernel that is vulnerable to a security flaw that could allow a local user to elevate his privileges or to crash it therefore causing a denial of service. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid34406;...