Little Crumbs Can Lead To Giants

This week is the Virus Bulletin Conference in London. Part of the conference is the Cyber Threat Alliance summit, where CTA members like Rapid7 showcase their research into all kinds of cyber threats and techniques. Traditionally, when we investigate a campaign, the focus is mostly on the code of...

The vulnerability of the Resilient File System (ReFS) in Windows operating systems allows a perpetrator to execute arbitrary code.

The vulnerability of the Resilient File System ReFS in Windows operating systems is related to insufficient validation of input data. Exploiting this vulnerability allows an attacker to execute arbitrary code by installing a specially created VHD file...

ChromeLoader Malware Targeting Gamers via Fake Nintendo and Steam Game Hacks

A new ChromeLoader malware campaign has been observed being distributed via virtual hard disk VHD files, marking a deviation from the ISO optical disc image format. "These VHD files are being distributed with filenames that make them appear like either hacks or cracks for Nintendo and Steam games...

BlueNoroff APT Hackers Using New Ways to Bypass Windows MotW Protection

BlueNoroff, a subcluster of the notorious Lazarus Group, has been observed adopting new techniques into its playbook that enable it to bypass Windows Mark of the Web MotW protections. This includes the use of optical disk image .ISO extension and virtual hard disk .VHD extension file formats as...

The vulnerability of the Windows operating system, which allows a hacker to increase their privileges

The vulnerability of the Windows operating system’s virtual hard disk driver stems from an improper restriction on access to files. Exploiting this vulnerability allows a local attacker to enhance their privileges through a specially created application...

The vulnerability of the Windows operating system, which allows a hacker to increase their privileges

The vulnerability of the Windows operating system’s virtual hard disk driver stems from an improper restriction on access to files. Exploiting this vulnerability allows a local attacker to enhance their privileges through a specially created application...

The vulnerability of the Windows operating system, which allows a hacker to increase their privileges

The vulnerability of the Windows operating system’s virtual hard disk driver stems from an improper restriction on access to files. Exploiting this vulnerability allows a local attacker to enhance their privileges through a specially created application...

CVE-2016-7226

Virtual Hard Disk Driver in Windows 10 Gold, 1511, and 1607 and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation of Privilege Vulnerability."...

CVE-2016-7225

Virtual Hard Disk Driver in Windows 10 Gold, 1511, and 1607 and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation of Privilege Vulnerability."...

CVE-2016-7224

Virtual Hard Disk Driver in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation...

Privilege escalation

Virtual Hard Disk Driver in Windows 10 Gold, 1511, and 1607 and Windows Server 2016 does not properly restrict access to files, which allows local users to gain privileges via a crafted application, aka "VHD Driver Elevation of Privilege Vulnerability."...

Microsoft VHD Driver Elevation of Privilege Vulnerability (CNVD-2016-11026)

Microsoft Windows is a family of operating systems released by Microsoft Corporation in the U.S. Windows VHD is a virtual hard disk driver. An elevation of privilege vulnerability exists in the Microsoft VHD driver. When the Windows Virtual Hard Disk Driver fails to properly handle user access to...

Microsoft Virtual Hard Disk Driver Multiple Vulnerabilities (3199647)

This host is missing an important security update according to Microsoft Bulletin MS16-138. SPDX-FileCopyrightText: 2016 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 VHD Driver Elevation of Privilege Vulnerability (CNVD-2016-11025)

Microsoft Windows is a family of operating systems released by Microsoft Corporation in the U.S. Windows VHD is a virtual hard disk driver. An elevation of privilege vulnerability exists in the Microsoft VHD driver. When the Windows Virtual Hard Disk Driver fails to properly handle user access to...

VHD Driver Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists when the Windows Virtual Hard Disk Drive fails to properly handle user access to certain files. An attacker who successfully exploited the vulnerability could manipulate files in locations not intended to be available to the user. To exploit the...

MS16-138: Security Update for Microsoft Virtual Hard Disk Driver (3199647)

The remote Windows host is missing a security update. It is, therefore, affected by multiple elevation of privilege vulnerabilities in the Windows Virtual Hard Disk Driver due to improper handling of user access to certain files. A local attacker can exploit these, via a specially crafted...