OpenBSD Disables Intel Hyper-Threading to Prevent Spectre-Class Attacks

Security-oriented BSD operating system OpenBSD has decided to disable support for Intel's hyper-threading performance-boosting feature, citing security concerns over Spectre-style timing attacks. Introduced in 2002, Hyper-threading is Intel's implementation of Simultaneous Multi-Threading SMT tha...

OpenBSD Disables Intel Hyper-Threading to Prevent Spectre-Class Attacks

Security-oriented BSD operating system OpenBSD has decided to disable support for Intel's hyper-threading performance-boosting feature, citing security concerns over Spectre-style timing attacks. Introduced in 2002, Hyper-threading is Intel's implementation of Simultaneous Multi-Threading SMT tha...

Security Bulletin: Vulnerability in Diffie-Hellman ciphers affects IBM XIV Management Tools (CVE-2015-4000)

Summary The Logjam Attack on TLS connections using the Diffie-Hellman DH key exchange protocol affects XIV Management Tools. Vulnerability Details CVEID: CVE-2015-4000 DESCRIPTION: The TLS protocol could allow a remote attacker to obtain sensitive information, caused by the failure to properly...

Security Bulletin: Vulnerability in RC4 stream cipher affects IBM XIV Storage System Gen2 (CVE-2015-2808)

Summary The RC4 “Bar Mitzvah” Attack for SSL/TLS affects IBM XIV Storage System Gen2. Vulnerability Details CVEID: CVE-2015-2808 DESCRIPTION: The RC4 algorithm, as used in the TLS protocol and SSL protocol, could allow a remote attacker to obtain sensitive information. An attacker could exploit...

Security Bulletin: GNU C library (glibc) vulnerability affects IBM Hyper-Scale Manager Virtual Appliance (CVE-2015-0235)

Summary GNU C library glibc vulnerability that has been referred to as GHOST affects IBM Hyper-Scale Manager Virtual Appliance. Vulnerability Details CVEID: CVE-2015-0235 DESCRIPTION:The gethostbyname functions of the GNU C Library glibc are vulnerable to a buffer overflow. By sending a specially...

Security Bulletin: Vulnerabilities in Bash affect the IBM Hyper-Scale Manager component of the XIV Management Tools (CVE-2014-6271, CVE-2014-7169, CVE-2014-7186, CVE-2014-7187, CVE-2014-6277, CVE-2014-6278)

Summary Six Bash vulnerabilities were disclosed in September 2014. This bulletin addresses the vulnerabilities that have been referred to as “Bash Bug” or “Shellshock” and two memory corruption vulnerabilities. Bash is used by the IBM Hyper-Scale Manager component of the XIV Management Tools...

Security Bulletin: Multiple vulnerabilities in the IBM GSKit component of IBM Spectrum Protect (formerly Tivoli Storage Manager) for Virtual Environments: Data Protection for Hyper-V

Summary There are multiple vulnerabilities in the IBM GSKit component of IBM Spectrum Protect formerly Tivoli Storage Manager for Virtual Environments: Data Protection for Hyper-V. IBM Spectrum Protect for Virtual Environments: Data Protection for Hyper-V has addressed the applicable CVEs...

Security Bulletin: Vulnerability in InstallShield affects IBM Tivoli Storage Manager for Virtual Environments: Data Protection for Microsoft Hyper-V (CVE-2016-2542)

Summary InstallShield generates installation executables which are vulnerable to a DLL-planting that affects IBM Tivoli Storage Manager for Virtual Environments: Data Protection for Microsoft Hyper-V IBM Spectrum Protect for Virtual Environments on Windows platforms. Vulnerability Details CVEID:...

TippingPoint Threat Intelligence and Zero-Day Coverage – Week of June 11, 2018

As a native Texan, I’ve seen more than my fair share of bugs - actual physical bugs that love the hot, humid Texas climate and my curly hair for some reason. The Zero Day Initiative ZDI sees many bugs of the software variety, including those that affect SCADA control systems. Fritz Sands recently...

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...

CVE-2018-8218

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers...

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...

Privilege escalation

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...

Denial of service

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers...

CVE-2018-8218

CVE-2018-8218 is a denial-of-service vulnerability in the Microsoft Hyper-V Network Switch. It arises when a privileged guest user’s input is not properly validated by the Hyper-V component on the host, causing the host server to crash (DoS). Affected: Windows 10 client and Windows Server variant...

CVE-2018-8219

CVE-2018-8219 is a privilege-escalation flaw in Windows Hyper-V Code Integrity. The vulnerability arises when Hyper-V instruction emulation fails to properly enforce privilege levels, enabling elevation of privileges. Affected products include Windows Server 2016 and Windows 10 (including Windows...

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...

CVE-2018-8218

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers...

CVE-2018-8219: Undefined Security Weakness

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...

CVE-2018-8218: Improper Input Validation

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers...