CVE-2022-29958: Insufficient Verification of Data Authenticity

JTEKT TOYOPUC PLCs through 2022-04-29 do not ensure data integrity. They utilize the unauthenticated CMPLink/TCP protocol for engineering purposes, including downloading projects and control logic to the PLC. Control logic is downloaded to the PLC on a block-by-block basis with a given memory...

CVE-2022-31206: Improper Verification of Cryptographic Signature

The Omron SYSMAC Nx product family PLCs NJ series, NY series, NX series, and PMAC series through 2022-005-18 lack cryptographic authentication. These PLCs are programmed using the SYMAC Studio engineering software which compiles IEC 61131-3 conformant POU code to native machine code for execution...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2022-1376)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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 ifdescription...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueueadd function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the...

What is an .exe file? Is it the same as an executable?

You may often see .exe files but you may not know what they are. Is it the same as an executable file? The short answer is no. So whats the difference? What is an .exe file? Exe in this context is a file extension denoting an executable file for Microsoft Windows. Windows file names have two part...

CVE-2021-38300

A flaw was found in the Linux kernel. The cBPF JIT compiler may produce machine code with incorrect branches. This flaw allows an unprivileged user to craft anomalous machine code, where the control flow is hijacked to execute arbitrary kernel code. The highest threat from this vulnerability is t...

Keystone Engine 安全漏洞

Keystone Engine is an assembler framework. A security vulnerability exists in Keystone Engine that stems from Keystone Engine having an invalid idle in llvmks::SmallVectorImpl::SmallVectorImpl...

Microsoft Edge Chakra JIT - 'Lowerer::LowerSetConcatStrMultiItem' Missing Integer Overflow Check

/ The method "Lowerer::LowerSetConcatStrMultiItem" is used to generate machine code to concatenate strings. Here's a snippet of the method. void Lowerer::LowerSetConcatStrMultiItemIR::Instr instr ... IR::IndirOpnd dstLength = IR::IndirOpnd::NewconcatStrOpnd,...

Retargetable Machine-Code Decompiler: RetDec

RetDec is a retargetable machine-code decompiler based on LLVM . The decompiler is not limited to any particular target architecture, operating system, or executable file format: Supported file formats: ELF, PE, Mach-O, COFF, AR archive, Intel HEX, and raw machine code. Supported architectures 32...

Flat Assembler 1.7.21 - Local Buffer Overflow

Flat Assembler 1.7.21 - Local Buffer Overflow !/usr/bin/python Developed using Exploit Pack - http://exploitpack.com - Exploit Author: Juan Sacco at KPN Red Team - http://www.kpn.com Tested on: GNU/Linux - Kali 2017.1 Release What is FASM? Flat assembler is a fast, self-compilable assembly langua...

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++...

Reverse Engineering Cross Platform Disassembler: Panopticon

Reverse Engineering Cross Platform Disassembler Panopticon is a disassembler that understands the semantics of opcodes. This way it’s able to help the user by discovering and displaying invariants that would have to be discovered “by hand” in traditional disassemblers. This allows an interactive...

DEBIAN-CVE-2016-2796

Heap-based buffer overflow in the graphite2::vm::Machine::Code::Code function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted Graphite...

CVE-2016-1977

The Machine::Code::decoder::analysis::setref function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to execute arbitrary code or cause a denial of service stack memory corruption via a crafted Graphite smart font...

CVE-2016-2796: Improper Restriction of Operations within the Bounds of a Memory Buffer

Heap-based buffer overflow in the graphite2::vm::Machine::Code::Code function in Graphite 2 before 1.3.6, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted Graphite...

ioreq handling possibly susceptible to multiple read issue

ISSUE DESCRIPTION Single memory accesses in source code can be translated to multiple ones in machine code by the compiler, requiring special caution when accessing shared memory. Such precaution was missing from the hypervisor code inspecting the state of I/O requests sent to the device model fo...

Static Analysis Tool: Bindead

The tool is based on the dynamic instrumentation framework PIN from Intel. Currently PIN is only working with the x86 architecture. Additionally, bintrace currently is limited to the Linux platform but will be ported to Windows when there is the need to. Actually, building for Windows might work...

Python-2.2-ImageOP-Integer-Overflow

Python's imageop module is prone to multiple integer-overflow vulnerabilities because it fails to properly bounds-check user-supplied input to ensure that integer operations do not overflow. To successfully exploit these issues, an attacker must be able to control the arguments to imageop...