WAVM Denial of Service Vulnerability (CNVD-2019-09771)

WAVM is the WebAssembly Virtual Machine. A denial of service vulnerability exists in WAVM 2018-07-26 and earlier versions, which stems from the program failing to properly handle the 'libRuntime.so!llvm::InstructionCombiningPass::runOnFunction' function. An attacker can cause a denial of service...

WAVM Buffer Over-Read Vulnerability

WAVM is the WebAssembly Virtual Machine. A heap buffer over-read vulnerability exists in IR::FunctionValidationContext::catchall in WAVM 2018-07-26 and earlier versions, which can be exploited by an attacker to cause a denial of service application crash by sending a specially crafted file...

WAVM Buffer Overflow Vulnerability

WAVM is the WebAssembly Virtual Machine. A buffer overflow vulnerability exists in the 'FunctionValidationContext::popAndValidateOperand' function in WAVM 2018-07-26 and earlier versions, which can be exploited by an attacker by sending a specially crafted file to WAVM This can be exploited to...

UBUNTU-CVE-2018-14625

A flaw was found in the Linux Kernel where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect and close function may allow an attacker using the AFVSOCK protocol to gather a 4 byte information leak or possibly intercept o...

Update Rollup 6 for System Center 2012 R2 Virtual Machine Manager

Update Rollup 6 for System Center 2012 R2 Virtual Machine Manager Introduction This article describes the issues that are fixed in Update Rollup 6 for Microsoft System Center 2012 R2 Virtual Machine Manager. There are two updates available for Virtual Machine Manager VMM: Server and Administrator...

OilRig Sends an OopsIE to Mideast Government Targets

The OilRig group is back, using a reboot of the OopsIE trojan to pump information from its favorite resource: entities in the Middle East region. OilRig, which is also called Cobalt Gypsy, Crambus, Helix Kitten or PT34, is suspected of having ties to Iran. The group was identified in 2015 and is...

QEMU Denial of Service Vulnerability (CNVD-2018-17099)

QEMU aka Quick Emulator is a set of simulation processor software developed by French programmer Fabrice Bellard. The software is fast and cross-platform. A security vulnerability exists in the qemu-seccomp.c file in QEMU, which stems from the program incorrectly handling the seccomp policy for...

UBUNTU-CVE-2018-15746

qemu-seccomp.c in QEMU might allow local OS guest users to cause a denial of service guest crash by leveraging mishandling of the seccomp policy for threads other than the main thread...

JDK: privilege escalation via insufficiently restricted access to Attach API

In Eclipse OpenJ9 version 0.8, users other than the process owner may be able to use Java Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and use Attach API operations, which includes the ability to execute untrusted native code. Attach API is enabled by default on...

JDK: privilege escalation via insufficiently restricted access to Attach API

In Eclipse OpenJ9 version 0.8, users other than the process owner may be able to use Java Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and use Attach API operations, which includes the ability to execute untrusted native code. Attach API is enabled by default on...

FreeBSD : FreeBSD -- L1 Terminal Fault (L1TF) Kernel Information Disclosure (2310b814-a652-11e8-805b-a4badb2f4699) (Foreshadow)

On certain Intel 64-bit x86 systems there is a period of time during terminal fault handling where the CPU may use speculative execution to try to load data. The CPU may speculatively access the level 1 data cache L1D. Data which would otherwise be protected may then be determined by using side...

DEBIAN-CVE-2018-10846

A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets...

UBUNTU-CVE-2018-10846

A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets...

Kali Linux 2018.3 Release - Penetration Testing and Ethical Hacking Linux Distribution

Kali 2018.3 brings the kernel up to version 4.17.0 and while 4.17.0 did not introduce many changes, 4.16.0 had a huge number of additions and improvements including more Spectre and Meltdown fixes, improved power management, and better GPU support. New Tools and Tool Upgrades Since our last...

Xen Denial of Service Vulnerability (CNVD-2020-23022)

Xen is an open source virtual machine monitor product developed at the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in X...

MGASA-2018-0344 Updated microcode packages fix security vulnerabilities

This microcode update provides the Intel 20180807 microcode release that adds the processor microcode side of fixes and mitigations for the now publically known security issue affected Intel processors called L1 Terminal Fault L1TF for most Intel processors since Intel Core gen2: Systems with...

L1 Terminal Fault Side Channel Vulnerabilities - US

Lenovo Security Advisory: LEN-24163 Potential Impact: Malicious code running locally may be able to observe contents of privileged memory, circumventing expected privilege levels Severity: High Scope of Impact: Industry-wide CVE Identifier: CVE-2018-3615, CVE-2018-3620, CVE-2018-3646 Summary...

L1 Terminal Fault Side Channel Vulnerabilities - Lenovo Support US

No description provided...

USN-3741-1: Linux kernel vulnerabilities

It was discovered that memory present in the L1 data cache of an Intel CPU core may be exposed to a malicious process that is executing on the CPU core. This vulnerability is also known as L1 Terminal Fault L1TF. A local attacker in a guest virtual machine could use this to expose sensitive...

Microsoft Guidance to mitigate L1TF variant

Executive Summary On January 3, 2018, Microsoft released an advisory and security updates for a new class of hardware vulnerabilities involving speculative execution side channels known as Spectre and Meltdown. Microsoft is aware of a new speculative execution side channel vulnerability known as ...