334 matches found
Authorization Bypass
powershell is vulnerable to authorization bypass. The vulnerability exists in Windows which will allow the attacker to bypass device guard where an attacker could circumvent a user mode code integrity policy on the machine...
Secure Boot Code Data Compromise Error
The vulnerability of the Secure Boot function in Cisco microprogramming devices relates to code integrity checks. Exploiting this vulnerability could allow attackers to install malicious software...
Windows Security Feature Bypass Vulnerability
A security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard when Windows improperly handles calls to the LUAFV driver luafv.sys. An attacker who successfully exploited this vulnerability could circumvent a User Mode Code Integrity UMCI policy on...
Windows Privilege Escalation
The vulnerability of the Windows operating system is related to the insecure management of privileges. Exploiting this vulnerability can allow an attacker to bypass the User Mode Code Integrity Policy UMCI...
Windows Privilege Escalation
The vulnerability of the Windows operating system is related to the insecure management of privileges. Exploiting this vulnerability allows an attacker to circumvent the User Mode Code Integrity Policy UMCI by using a specially crafted application...
Windows Privilege Escalation
The vulnerability of the Windows operating system is related to the insecure management of privileges. Exploiting this vulnerability allows an attacker to circumvent the User Mode Code Integrity Policy UMCI by using a specially crafted application...
Windows Security Feature Bypass Vulnerability
A security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard. An attacker who successfully exploited this vulnerability could circumvent a User Mode Code Integrity UMCI policy on the machine. To exploit the vulnerability, an attacker would first...
Windows Security Feature Bypass Vulnerability
A security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard. An attacker who successfully exploited this vulnerability could circumvent a User Mode Code Integrity UMCI policy on the machine. To exploit the vulnerability, an attacker would first...
Injecting Code into Windows Protected Processes using COM - Part 2
Posted by James Forshaw, Project Zero In my previous blog I discussed a technique which combined numerous issues I’ve previously reported to Microsoft to inject arbitrary code into a PPL-WindowsTCB process. The techniques presented don’t work for exploiting the older, stronger Protected Processes...
Injecting Code into Windows Protected Processes using COM - Part 1
Posted by James Forshaw, Google Project Zero At Recon Montreal 2018 I presented “Unknown Known DLLs and other Code Integrity Trust Violations” with Alex Ionescu. We described the implementation of Microsoft Windows’ Code Integrity mechanisms and how Microsoft implemented Protected Processes PP. A...
Microsoft Windows Device Guard Local Security Bypass Vulnerability (CNVD-2018-20742)
Microsoft Windows is a series of operating systems released by Microsoft Corporation in the U.S. Device Guard is one of the device protection components. A local security bypass vulnerability exists in Microsoft Windows Device Guard. An attacker can exploit this vulnerability by accessing a local...
Device Guard Code Integrity Policy Security Feature Bypass Vulnerability
A security feature bypass vulnerability exists in Device Guard that could allow an attacker to inject malicious code into a Windows PowerShell session. An attacker who successfully exploited this vulnerability could inject code into a trusted PowerShell process to bypass the Device Guard Code...
Microsoft Device Guard Code Integrity Policy Security Feature Bypass (CVE-2018-8492)
A security bypass vulnerability exists in Microsoft Device Guard. Successful exploitation of this vulnerability would allow remote attackers to bypass security tests and protocols on the affected system...
Microsoft Windows: Turn On Virtualization Based Security (Virtualization Based Protection of Code Integrity)
This test checks the setting for policy OpenVAS Vulnerability Test $Id: winvbsprotectioncodeintegrity.nasl 11381 2018-09-13 14:55:03Z emoss $ Check value for Turn On Virtualization Based Security: Virtualization Based Protection of Code Integrity Authors: Emanuel Moss Copyright: Copyright c 2018...
Microsoft Windows: Turn On Virtualization Based Security (Require UEFI Memory Attributes Table)
This test checks the setting for policy OpenVAS Vulnerability Test $Id: winvbsrequireuefi.nasl 11381 2018-09-13 14:55:03Z emoss $ Check value for Turn On Virtualization Based Security: Require UEFI Memory Attributes Table Authors: Emanuel Moss Copyright: Copyright c 2018 Greenbone Networks GmbH,...
R0Ak (The Ring 0 Army Knife) - A Command Line Utility To Read/Write/Execute Ring Zero On For Windows 10 Systems
r0ak is a Windows command-line utility that enables you to easily read, write, and execute kernel-mode code with some limitations from the command prompt, without requiring anything else other than Administrator privileges. Quick Peek r0ak v1.0.0 -- Ring 0 Army Knife...
Device Guard Code Data Compromise Bypass
The vulnerability of the Device Guard component of Windows operating systems is related to improperly implemented security checks. Exploiting this vulnerability allows an attacker to bypass code integrity checks by injecting malicious code into the trusted PowerShell process...
Device Guard Code Data Compromise Bypass
The vulnerability of the Device Guard component of Windows operating systems is related to improperly implemented security checks. Exploiting this vulnerability allows an attacker to bypass code integrity checks by injecting malicious code into the trusted PowerShell process...
August 30, 2018—KB4343893 (OS Build 16299.637)
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Ring 0 Army Knife: r0ak
r0ak is a Windows command-line utility that enables you to easily read, write, and execute kernel-mode code with some limitations from the command prompt, without requiring anything else other than Administrator privileges. Motivation The Windows kernel is a rich environment in which hundreds of...