Microsoft Edge Chakra Incorrect Jit Optimization

Microsoft Edge: Chakra: incorrect jit optimization with TypedArray setter 2 CVE-2017-8548 I think the fix for 1045 is incorrect. Here's the original PoC. 'use strict'; function funca, b, c a0 = 1.2; b0 = c; a1 = 2.2; a0 = 2.3023e-320; function main var a = 1.1, 2.2; var b = new Uint32Array100; //...

rustgo: calling Rust from Go with near-zero overhead

русский Go has good support for calling into assembly, and a lot of the fast cryptographic code in the stdlib is carefully optimized assembly, bringing speedups of over 20 times. However, writing assembly code is hard, reviewing it is possibly harder, and cryptography is unforgiving. Wouldn't it ...

[SECURITY] Fedora 26 Update: varnish-5.1.3-2.fc26

This is Varnish Cache, a high-performance HTTP accelerator. Varnish Cache stores web pages in memory so web servers don=EF=BF=BD=EF=BF =BD=EF=BF=BDt have to create the same web page over and over again. Varnish Cache serves pages much faster than any application server; giving the website a...

Qemu: i386: leakage of stack memory to guest in kvmvapic.c

An information-exposure flaw was found in Quick Emulator QEMU in Task Priority Register TPR optimizations for 32-bit Windows guests. The flaw could occur while accessing TPR. A privileged user inside a guest could use this issue to read portions of the host memory...

Cross-site Scripting (XSS)

Concrete5 is vulnerable to cross-site scripting XSS attacks. A malicious user can inject and execute arbitrary web script because the library does not sanitize it's parameters before rendering them for display. The following fields are affected: bannedword in...

How To Define Page File Size and Placement in Citrix App Layering 4.x

To provide Citrix customers and users a process to define page file size and location when using Citrix App Layering...

Microsoft Chakra Array JIT Optimization Type Confusion Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling o...

Microsoft Chakra Typed Array JIT Optimization Use-After-Free Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Chakra. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the generation ...

CentOS 7 : kernel (CESA-2017:1615)

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...

Unidesk Recipe for NP Desktop Logon Time Optimization v3

One very popular use case for VDI is for kiosk or lab machines. Uses for these types of desktops include classroom labs, library access and general computing in schools and corporations. Architects and Administrators of these types of use cases generally want to be able to define default...

BSA-2017-334

Security Advisory ID : BSA-2017-334 Component : zlib Revision : 2.0: Interim An oldinffast.coptimization turns out to not be optimal anymore with modern compilers, and furthermore was not compliant withtheCstandard, for which decrementing a pointer before its allocated memory is undefined. Affect...

Code Execution Vulnerability in LotWan WAN Optimization System

AppEx LotWan is a WAN optimization and acceleration product. A remote command execution vulnerability exists in AppEx LotWan, which exists in /acc/checkinstancestate.php and can be exploited by an attacker to execute system commands without authorization...

WebKit JSC - JIT Optimization Check Failed in IntegerCheckCombiningPhase::handleBlock Exploit

Exploit for multiple platform in category dos / poc range.mmaxBound range.mmaxBound = data.maddend; range.mmaxOrigin = node-origin.semantic; else if data.maddend origin.semantic; ... The problem is that the check |data.maddend range.mmaxBound| is a signed comparison. PoC: -- function f let arr = ...

WebKit JSC - JIT Optimization Check Failed in IntegerCheckCombiningPhase::handleBlock

WebKit JSC - JIT Optimization Check Failed in IntegerCheckCombiningPhase::handleBlock range.mmaxBound range.mmaxBound = data.maddend; range.mmaxOrigin = node-origin.semantic; else if data.maddend origin.semantic; ... The problem is that the check |data.maddend range.mmaxBound| is a signed...

WebKit JSC - JIT Optimization Check Failed in IntegerCheckCombiningPhase::handleBlock

range.mmaxBound range.mmaxBound = data.maddend; range.mmaxOrigin = node-origin.semantic; else if data.maddend origin.semantic; ... The problem is that the check |data.maddend range.mmaxBound| is a signed comparison. PoC: -- function f let arr = new Uint32Array10; for let i = 0; i 0x100000; i++...

Telegraph delivers better experience with Image Manager

The Telegraph Media Group TMG is a multi-media news publisher and its titles include The Daily Telegraph, The Sunday Telegraph and The Telegraph website. Today, its site serves more than 380 million pages to over 84 million unique visitors every month across the globe, featuring on average about...

WebKit JSC Jit Optimization Check Failure

WebKit: JSC: JIT optimization check failed in IntegerCheckCombiningPhase::handleBlock CVE-2017-2547 When compiling Javascript code into machine code, bound checks for all accesses to a typed array are also inserted. These bound checks are re-optimized and the unnecessary checks are removed, which...

Difference between Fast Clone and Full Clone

Q : When using Machine Creation Services to create a Machine Catalog containing desktop OS VMs, you can now choose whether MCS provisions thin fast copy clones or thick full copy clones. What's the difference between them? Ans Since Machine Creation Services MCS was first released in XenDesktop...

Distributed, Search Optimized Full Packet Capture System: PCAPDB

Distributed, Search Optimized Full Packet Capture System PcapDB is a distributed, search-optimized open source packet capture system. It was designed to replace expensive, commercial appliances with off-the-shelf hardware and a free, easy to manage software system. Captured packets are reorganize...

Riverbed SteelHead Detection (SSH)

Detection of Riverbed SteelHead. The script tries to log in to Riverbed SteelHead and execute SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only...