Microsoft Windows - 'win32k!NtGdiGetOutlineTextMetricsInternalW' Kernel Stack Memory Disclosure

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1179 We have discovered that it is possible to disclose portions of uninitialized kernel stack memory to user-mode applications in Windows 7-10 through the win32k!NtGdiGetOutlineTextMetricsInternalW system call. The system call...

Microsoft Windows - 'win32k!NtGdiMakeFontDir' Kernel Stack Memory Disclosure

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1191 We have discovered that the win32k!NtGdiMakeFontDir system call discloses large portions of uninitialized kernel stack memory to user-mode clients. The attached proof of concept code which is specific to Windows 7 32-bit works...

Microsoft Windows - IOCTL_DISK_GET_DRIVE_LAYOUT_EX Kernel partmgr Pool Memory Disclosure

Microsoft Windows - IOCTLDISKGETDRIVELAYOUTEX Kernel partmgr Pool Memory Disclosure / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1159 We have discovered that the handler of the IOCTLDISKGETDRIVELAYOUTEX IOCTL in partmgr.sys discloses portions of uninitialized pool memory to...

Microsoft Windows - IOCTL_MOUNTMGR_QUERY_POINTS Kernel Mountmgr Pool Memory Disclosure Exploit

Exploit for windows platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1150&desc=2 We have discovered that the handler of the IOCTLMOUNTMGRQUERYPOINTS IOCTL in mountmgr.sys discloses portions of uninitialized pool memory to user-mode clients, due to...

Microsoft Windows - nt!NtQueryVolumeInformationFile (FileFsVolumeInformation) Kernel Pool Memory Disclosure

Microsoft Windows - nt!NtQueryVolumeInformationFile FileFsVolumeInformation Kernel Pool Memory Disclosure / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1166 We have discovered that the nt!NtQueryVolumeInformationFile system call discloses portions of uninitialized pool memor...

Microsoft Windows - nt!KiDispatchException Kernel Stack Memory Disclosure in Exception Handling

Microsoft Windows - nt!KiDispatchException Kernel Stack Memory Disclosure in Exception Handling / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1177 According to our tests, the generic exception dispatching code present in the Windows kernel Windows 7-10 discloses portions of...

Microsoft Windows - nt!NtQueryVolumeInformationFile (FileFsVolumeInformation) Kernel Pool Memory Dis

Exploit for windows platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1166 We have discovered that the nt!NtQueryVolumeInformationFile system call discloses portions of uninitialized pool memory to user-mode clients, due to output structure alignme...

Microsoft Windows - win32k!NtGdiEnumFonts Kernel Pool Memory Disclosure Exploit

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1153 We have discovered that the win32k!NtGdiEnumFonts system call handler discloses very large portions of uninitialized pool memory to user-mode clients. The issue can be...

Microsoft Windows - 'win32k!NtGdiEnumFonts' Kernel Pool Memory Disclosure

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1153 We have discovered that the win32k!NtGdiEnumFonts system call handler discloses very large portions of uninitialized pool memory to user-mode clients. The issue can be reproduced by running the attached proof-of-concept progra...

Microsoft Windows - win32k!NtGdiEnumFonts Kernel Pool Memory Disclosure

Microsoft Windows - win32k!NtGdiEnumFonts Kernel Pool Memory Disclosure Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1153 We have discovered that the win32k!NtGdiEnumFonts system call handler discloses very large portions of uninitialized pool memory to user-mode clients. The...

Microsoft Windows - win32k!NtGdiGetOutlineTextMetricsInternalW Kernel Pool Memory Disclosure Exploit

Exploit for windows platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1144 The win32k!NtGdiGetOutlineTextMetricsInternalW system call corresponds to the documented GetOutlineTextMetrics API function 1, and is responsible for returning information...

Microsoft Windows - '0x224000 IOCTL (WmiQueryAllData)' Kernel WMIDataDevice Pool Memory Disclosure

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1152 We have discovered that the handler of the 0x224000 IOCTL corresponding to the WmiQueryAllData functionality implemented by the \.\WMIDataDevice device in ntoskrnl.exe as dispatched by the nt!WmipIoControl routine discloses...

Microsoft Windows - 'IOCTL_DISK_GET_DRIVE_LAYOUT_EX' Kernel partmgr Pool Memory Disclosure

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1159 We have discovered that the handler of the IOCTLDISKGETDRIVELAYOUTEX IOCTL in partmgr.sys discloses portions of uninitialized pool memory to user-mode clients. The issue can be reproduced by running the attached...

Microsoft Windows - IOCTL_DISK_GET_DRIVE_LAYOUT_EX Kernel partmgr Pool Memory Disclosure Exploit

Exploit for windows platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1159 We have discovered that the handler of the IOCTLDISKGETDRIVELAYOUTEX IOCTL in partmgr.sys discloses portions of uninitialized pool memory to user-mode clients. The issue can...

Microsoft Windows - IOCTL_DISK_GET_DRIVE_GEOMETRY_EX Kernel partmgr Pool Memory Disclosure

Microsoft Windows - IOCTLDISKGETDRIVEGEOMETRYEX Kernel partmgr Pool Memory Disclosure / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1156&desc=2 We have discovered that the handler of the IOCTLDISKGETDRIVEGEOMETRYEX IOCTL in partmgr.sys discloses portions of uninitialized poo...

Microsoft Windows - 'win32k!NtGdiGetOutlineTextMetricsInternalW' Kernel Pool Memory Disclosure

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1144 The win32k!NtGdiGetOutlineTextMetricsInternalW system call corresponds to the documented GetOutlineTextMetrics API function 1, and is responsible for returning information about the outline text metrics associated with a...

Microsoft Windows Hypervisor Code Integrity Privilege Escalation Vulnerability (KB3217845)

This host is missing an important security update according to Microsoft KB3217845 SPDX-FileCopyrightText: 2017 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 ifdescriptio...

Wanna Decryptor (WNCRY) Ransomware Explained

Mark the date: May 12, 2017. This is the day the "ransomworm" dubbed "WannaCry" / "Wannacrypt" burst -- literally -- onto the scene with one of the initial targets being the British National Health Service. According to The Guardian: the "unprecedented attack… affected 12 countries and at least 1...

Microsoft Windows Multiple Vulnerabilities (KB4019623)

This host is missing a critical/important security update according to Microsoft KB4019623 SPDX-FileCopyrightText: 2017 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...

KLA11841 Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to gain privileges, obtain sensitive information. Below is a complete list of vulnerabilities: 1. An elevation of privilege vulnerability in DirectX can be exploited remotely via specially...