Fuzzing para-virtualized devices in Hyper-V

Introduction Hyper-V is the backbone of Azure, running on its Hosts to provide efficient and fair sharing of resources, but also isolation. That’s why we, in the vulnerability research team for Windows, have been working in the background for years now helping secure Hyper-V. And why Microsoft...

Fuzzing para-virtualized devices in Hyper-V

Introduction Introduction Hyper-V is the backbone of Azure, running on its Hosts to provide efficient and fair sharing of resources, but also isolation. That’s why we, in the vulnerability research team for Windows, have been working in the background for years now helping secure Hyper-V. And why...

The vulnerability of the Hyper-V hardware virtualization system in the Windows operating system allows a hacker to execute arbitrary code.

The vulnerability of the Hyper-V hardware virtualization technology in the Windows operating system is related to deficiencies in the authentication process of the guest operating system. Exploiting this vulnerability allows an attacker to execute arbitrary code through a specially created...

Microsoft Patch Tuesday — January 2019 Security Updates Released

Microsoft has issued its first Patch Tuesday for this year to address 49 CVE-listed security vulnerabilities in its Windows operating systems and other products, 7 of which are rated critical, 40 important and 2 moderate in severity. Just one of the security vulnerabilities patched by the tech...

Microsoft Windows Multiple Vulnerabilities (KB4480973)

This host is missing a critical security update according to Microsoft KB4480973 SPDX-FileCopyrightText: 2019 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 ifdescription...

Microsoft Windows Hyper-V Remote Code Execution Vulnerability (CNVD-2019-16185)

Microsoft Windows 10 and others are a series of operating systems released by Microsoft Corporation USA.Windows Hyper-V is one of the virtualization products that supports the creation of virtual machines in Windows. A remote code execution vulnerability exists in Microsoft Windows Hyper-V. The...

Microsoft Windows Multiple Vulnerabilities (KB4480116)

This host is missing a critical security update according to Microsoft KB4480116 SPDX-FileCopyrightText: 2019 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 ifdescription...

Microsoft Windows Hyper-V Remote Code Execution Vulnerability (CNVD-2019-16184)

Microsoft Windows is a family of operating systems released by Microsoft Corporation in the U.S. Windows Hyper-V is one of the virtualization products that supports the creation of virtual machines in Windows. A remote code execution vulnerability exists in Microsoft Windows Hyper-V. The...

Microsoft Windows Multiple Vulnerabilities (KB4480961)

This host is missing a critical security update according to Microsoft KB4480961 SPDX-FileCopyrightText: 2019 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 ifdescription...

CVE-2019-0551

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019,...

Remote code execution

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019,...

CVE-2019-0550

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019...

CVE-2019-0551

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019,...

Remote code execution

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019...

CVE-2019-0550

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019...

CVE-2019-0551

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019,...

CVE-2019-0551

CVE-2019-0551 is a Windows Hyper-V remote code execution vulnerability. The issue arises when Hyper-V fails to properly validate input from an authenticated user on a guest OS, enabling code execution on the host. Affected products include Windows Server 2016, Windows 10, Windows Server 2019, and...

CVE-2019-0550

The CVE-2019-0550 entry concerns a remote code execution in Microsoft Windows Hyper-V. Affected software/hardware: Windows Hyper-V on hosts running Windows 10, Windows Server 2019, and Windows 10 Servers. Root cause: the host fails to properly validate input from an authenticated user on a guest ...

January 2019 Patch Tuesday – 47 Vulns, 7 Critical, Adobe Vulns

This month's Patch Tuesday is medium in size, with 47 vulns covered and only 7 labeled as Critical. Twenty-six of the vulns apply to Windows Servers and Workstation operating systems. Two of the Criticals apply to Hyper-V and could lead to RCE on the host system. Microsoft also issued and...

Microsoft Patch Tuesday — January 2019: Vulnerability disclosures and Snort coverage

Microsoft released its monthly security update today, disclosing a variety of vulnerabilities in several of its products. The latest Patch Tuesday covers 49 vulnerabilities, seven of which are rated “critical,” 40 that are considered “important” and one that is “moderate.” This release also...