CVE-2018-8904

In Windows Master aka Windows Optimization Master 7.99.13.604, the driver file WoptiHWDetect.SYS allows local users to cause a denial of service BSOD or possibly have unspecified other impact because of not validating input values from IOCtl 0xf1002000...

[SECURITY] Fedora 27 Update: advancecomp-2.1-4.fc27

AdvanceCOMP is a set of recompression utilities for .PNG, .MNG and .ZIP fil es. The main features are : Recompress ZIP, PNG and MNG files using the Deflate 7-Zip implementation. Recompress MNG files using Delta and Move optimization. This package contains: advzip - Recompression and test utility...

Chrome: V8: JIT: Simplified-lowererer IrOpcode::kStoreField, IrOpcode::kStoreElement optimization bug

I think this commit has introduced the bugs: https://chromium.googlesource.com/v8/v8/+/c22ca7f73ba92f22d0cd29b06bb2944a545a8d3e%5E%21/F0 Here's a snippet. case IrOpcode::kStoreField: FieldAccess access = FieldAccessOfnode-op; Node valuenode = node-InputAt1; NodeInfo inputinfo = GetInfovaluenode;...

Understanding Workspace Environment Management (WEM) System Optimization

The WEM System Optimization feature is a group of settings designed to dramatically lower resource usage on a VDA on which the WEM Agent is installed. These are machine-based settings that will apply to all user sessions. Managing Servers with different Hardware Configurations Sets of VMs may hav...

Chrome V8 JIT - Simplified-lowererer IrOpcode::kStoreField_ IrOpcode::kStoreElement Optimization Bug

Chrome V8 JIT - Simplified-lowererer IrOpcode::kStoreField IrOpcode::kStoreElement Optimization Bug / I think this commit has introduced the bugs: https://chromium.googlesource.com/v8/v8/+/c22ca7f73ba92f22d0cd29b06bb2944a545a8d3e%5E%21/F0 Here's a snippet. case IrOpcode::kStoreField: FieldAccess...

Chrome V8 JIT Optmization Bug Exploit

Chrome V8 JIT suffers from a simplified-lowererer IrOpcode::kStoreField, IrOpcode::kStoreElement optimization bug. Chrome: V8: JIT: Simplified-lowererer IrOpcode::kStoreField, IrOpcode::kStoreElement optimization bug I think this commit has introduced the bugs:...

Chrome V8 JIT - Simplified-lowererer IrOpcode::kStoreField_ IrOpcode::kStoreElement Optimization Bug

/ I think this commit has introduced the bugs: https://chromium.googlesource.com/v8/v8/+/c22ca7f73ba92f22d0cd29b06bb2944a545a8d3e%5E%21/F0 Here's a snippet. case IrOpcode::kStoreField: FieldAccess access = FieldAccessOfnode-op; Node valuenode = node-InputAt1; NodeInfo inputinfo = GetInfovaluenode...

Chrome V8 JIT Optmization Bug

Chrome: V8: JIT: Simplified-lowererer IrOpcode::kStoreField, IrOpcode::kStoreElement optimization bug I think this commit has introduced the bugs: https://chromium.googlesource.com/v8/v8/+/c22ca7f73ba92f22d0cd29b06bb2944a545a8d3e%5E%21/F0 Here's a snippet. case IrOpcode::kStoreField: FieldAccess...

openSUSE Security Update : dhcp (openSUSE-2018-207)

This update for dhcp fixes several issues. This security issue was fixed : - CVE-2017-3144: OMAPI code didn't free socket descriptors when empty message is received allowing DoS bsc1076119. These non-security issues were fixed : - Optimized if and when DNS client context and ports are initted...

SUSE-SU-2018:0532-1 Security update for dhcp

This update for dhcp fixes several issues. This security issue was fixed: - CVE-2017-3144: OMAPI code didn't free socket descriptors when empty message is received allowing DoS bsc1076119. These non-security issues were fixed: - Optimized if and when DNS client context and ports are initted...

Important: linux-firmware

Issue Overview: Speculative execution branch target injection An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ ...

PT-2018-9234

Name of the Vulnerable Software and Affected Versions: NASA Kodiak version v1.0 Description: The issue is related to a data processing function in the Kodiak library, which can lead to remote code execution. This can be exploited when a victim opens an untrusted file for optimization using the...

Automating Cracking Methodologies Through Hashcat: hate_crack

A tool for automating cracking methodologies through Hashcat from the TrustedSec team. Installation Get the latest hashcat binaries https://hashcat.net/hashcat/ OSX Install https://www.phillips321.co.uk/2016/07/09/hashcat-on-os-x-getting-it-going/ mkdir -p hashcat/deps git clone...

The Effects of the Spectre and Meltdown Vulnerabilities

On January 3, the world learned about a series of major security vulnerabilities in modern microprocessors. Called Spectre and Meltdown, these vulnerabilities were discovered by several different researchers last summer, disclosed to the microprocessors' manufacturers, and patched­ -- at least to...

CentOS 7 : kernel (CESA-2018:0151) (Meltdown) (Spectre)

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

How to Fix a Mac That’s Running Slow

Every device sooner or later begins to run slower and slower. Even the Mac, which is a highly-efficient Apple product, starts to slow down and becomes a real pain to use over time. If you are a heavy Mac user this is especially true and you are more likely to experience performance issues. There...

Microsoft Edge Chakra JIT Loop Analysis Bug

Microsoft Edge: Chakra: JIT: Loop analysis bug CVE-2018-0777 Here's the PoC demonstrating OOB write. function optarr, start, end for let i = start; i end; i++ if i === 10 i += 0; // -- a arri = 2.3023e-320; function main let arr = new Array100; arr.fill1.1; for let i = 0; i 1000; i++ optarr, 0, 3...

Microsoft Edge Chakra JIT - Out-of-Bounds Write

Microsoft Edge Chakra JIT - Out-of-Bounds Write // Here's the PoC demonstrating OOB write. function optarr, start, end for let i = start; i end; i++ if i === 10 i += 0; // -- a arri = 2.3023e-320; function main let arr = new Array100; arr.fill1.1; for let i = 0; i 1000; i++ optarr, 0, 3; optarr, ...

Microsoft Edge Chakra JIT - Incorrect Bounds Calculation

Microsoft Edge Chakra JIT - Incorrect Bounds Calculation / Let's start with comments in the "GlobOpt::TrackIntSpecializedAddSubConstant" method. // Track bounds for add or sub with a constant. For instance, consider b = a + 2. The value of 'b' should track // that it is equal to the value of 'a' ...

Microsoft Edge Chakra JIT - Out-of-Bounds Write

// Here's the PoC demonstrating OOB write. function optarr, start, end for let i = start; i end; i++ if i === 10 i += 0; // -- a arri = 2.3023e-320; function main let arr = new Array100; arr.fill1.1; for let i = 0; i 1000; i++ optarr, 0, 3; optarr, 0, 100000; main; / What happens here is as...