KVM Nest Virtualization L1 Guest Privilege Escalation

KVM nested virtualization: privilege escalation in L1 guest When KVM on Intel virtualizes another hypervisor as L1 VM it does not verify that VMX instructions from the L1 VM which trigger a VM exit and are emulated by L0 KVM are coming from ring 0. For code running on bare metal or VMX root mode...

KVM (Nested Virtualization) - L1 Guest Privilege Escalation

KVM Nested Virtualization - L1 Guest Privilege Escalation When KVM on Intel virtualizes another hypervisor as L1 VM it does not verify that VMX instructions from the L1 VM which trigger a VM exit and are emulated by L0 KVM are coming from ring 0. For code running on bare metal or VMX root mode th...

KVM (Nested Virtualization) - L1 Guest Privilege Escalation Vulnerability

Exploit for linux platform in category dos / poc When KVM on Intel virtualizes another hypervisor as L1 VM it does not verify that VMX instructions from the L1 VM which trigger a VM exit and are emulated by L0 KVM are coming from ring 0. For code running on bare metal or VMX root mode this is...

KVM (Nested Virtualization) - L1 Guest Privilege Escalation

When KVM on Intel virtualizes another hypervisor as L1 VM it does not verify that VMX instructions from the L1 VM which trigger a VM exit and are emulated by L0 KVM are coming from ring 0. For code running on bare metal or VMX root mode this is enforced by hardware. However, for code running in L...

Lightweight and Practical Kernel Protector for x86: Shadow-Box

Shadow-box is a security monitoring framework for operating systems using state-of-the-art virtualization technologies. Shadow-box has a novel architecture inspired by a shadow play. We made Shadow-box from scratch, and it is primarily composed of a lightweight hypervisor and a security monitor...

Security Bulletin: A security vulnerability has been identified in IBM DB2 Hypervisor Edition shipped with IBM Software Delivery and Lifecycle Patterns

Summary IBM DB2 Hypervisor Edition is shipped as a component IBM Software Delivery and Lifecycle Patterns. Information about a security vulnerability in IBM DB2 Hypervisor Edition has been published in a security bulletin. Vulnerability Details Review Security Bulletin: IBM DB2 is impacted by...

Security Bulletin: Multiple vulnerabilities in IBM® Runtime Environments Java™ Technology Edition, Versions 6, 7, 8 affect IBM Transformation Extender Hypervisor Edition (CVE-2016-0466, CVE-2015-7575)

Summary There are multiple vulnerabilities in IBM® Runtime Environments Java™ Technology Edition, Versions 6, 7, 8 that are used by IBM Transformation Extender Hypervisor Edition. These issues were disclosed as part of the IBM Java SDK updates in January 2016 and include the vulnerability commonl...

Security Bulletin: Vulnerabilities in Bash and GNU C Library affect WebSphere Transformation Extender (WTX) with Launcher Hypervisor Edition (CVE-2014-6271, CVE-2014-6277, CVE-2014-6278, CVE-2014-7169, CVE-2014-5119, CVE-2014-7186, CVE-2014-7187)

Summary Bash and GNU C Library vulnerabilities were disclosed in September 2014. This bulletin addresses the vulnerabilities that have been referred to as “Bash Bug” or “Shellshock”, a heap-based buffer overflow, and two memory corruption vulnerabilities. Bash and glibc are included in Red Hat...

Security Bulletin: A security vulnerability has been identified in IBM PureApplication System shipped with IBM InfoSphere Information Server Hypervisor edition (CVE-2014-6271, CVE-2014-7169, CVE-2014-7186, CVE-2014-7187, CVE-2014-6277, and CVE-2014-6278)

Summary IBM PureApplication System is shipped as a component of IBM InfoSphere Information Server Hypervisor edition. Information about a security vulnerability affecting IBM PureApplication System has been published in a security bulletin. Other than the Information Server Hypervisor edition,...

Security Bulletin: Multiple Vulnerabilities in IBM® Java SDK affects WebSphere Application Server October 2017 CPU

Summary There are multiple vulnerabiltities in the IBM® SDK Java™ Technology Edition that is shipped with IBM WebSphere Application Server. These issues were disclosed as part of the IBM Java SDK updates in October 2017. These may affect some configurations of IBM WebSphere Application Server...

Security Bulletin: Apache Commons FileUpload Vulnerability affects WebSphere Application Server (CVE-2016-3092)

Summary Apache Commons Fileupload vulnerability affects WebSphere Application Server and WebSphere Application Server Hypervisor Edition. Vulnerability Details CVEID: CVE-2016-3092 DESCRIPTION: Apache Tomcat is vulnerable to a denial of service, caused by an error in the Apache Commons FileUpload...

Security Bulletin:A security vulnerability has been identified in IBM WebSphere Application Server shipped with IBM Workload Deployer (CVE-2015-7450)

Summary IBM WebSphere Application Server Hypervisor Edition is shipped as a deployable component of IBM Workload Deployer. Information about a security vulnerability affecting IBM WebSphere Application Server and IBM WebSphere Application Server Hypervisor Edition has been published in a security...

Security Bulletin: A security vulnerability has been identified in IBM WebSphere Application Server Hypervisor Edition shipped with IBM Workload Deployer (CVE-2015-0138)

Summary IBM WebSphere Application Server is shipped as a component of IBM Workload Deployer. Information about a security vulnerability affecting IBM WebSphere Application Server has been published in a security bulletin. Vulnerability Details Please consult the security bulletin: Vulnerability...

Security Bulletin: A security vulnerability has been identified in IBM WebSphere Application Server Hypervisor Edition shipped with IBM PureApplication System (CVE-2015-0138)

Summary IBM WebSphere Application Server is shipped as a component of IBM PureApplication System. Information about a security vulnerability affecting IBM WebSphere Application Server has been published in a security bulletin. Vulnerability Details Please consult the security bulletin:...

Security Bulletin: TLS padding vulnerability affects IBM WebSphere MQ (CVE-2014-8730)

Summary Transport Layer Security TLS padding vulnerability via a POODLE Padding Oracle On Downgraded Legacy Encryption like attack affects IBM WebSphere MQ. Vulnerability Details CVE-ID: CVE-2014-8730 DESCRIPTION: Product could allow a remote attacker to obtain sensitive information, caused by th...

Security Bulletin: IBM WebSphere Application Server Hypervisor Edition Vulnerabilities in Operating System

Summary Security vulnerabilities are often discovered in the guest operating systems that are pre-installed as part of the IBM WebSphere Application Server Hypervisor Editions. IBM recommends that you subscribe to alerts from the operating system vendors to keep your operating system up to date...

Security Bulletin: IBM WebSphere Hypervisor Edition on zLinux for SmartCloud Orchestrator is affected by vulnerability in OpenSSL (CVE-2014-0160)

Summary A Security vulnerability has been discovered in OpenSSL that affects the IBM WebSphere Hypervisor Edition v8.5.5.1 on zLinux for SmartCloud Orchestrator tech preview. Other versions of IBM WebSphere Application Server Hypervisor editions are not affected. Vulnerability Details CVE-ID:...

CVE-2018-8219

An elevation of privilege vulnerability exists when Windows Hyper-V instruction emulation fails to properly enforce privilege levels, aka "Hypervisor Code Integrity Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers...

KLA11266 Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to gain privileges, cause denial of service, bypass security restrictions, execute arbitrary code, obtain sensitive information. Below is a complete list of vulnerabilities: 1. An elevation...

CVE-2018-4242

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Hypervisor" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service memory corruption via a crafted app...