Microsoft Edge Chakra JIT - NewScObjectNoCtor Array Type Confusion Exploit

Exploit for windows platform in category dos / poc / This is similar to the previous issues 1457, 1459 MSRC 42551, MSRC 42552. If a JavaScript function is used as a consturctor, it sets the new object's "proto" to its "prototype". The JIT compiler uses NewScObjectNoCtor instructions to perform it...

Microsoft Edge Chakra JIT - NewScObjectNoCtor Array Type Confusion

Microsoft Edge Chakra JIT - NewScObjectNoCtor Array Type Confusion / This is similar to the previous issues 1457, 1459 MSRC 42551, MSRC 42552. If a JavaScript function is used as a consturctor, it sets the new object's "proto" to its "prototype". The JIT compiler uses NewScObjectNoCtor instructio...

Microsoft Edge Chakra JIT - Array Type Confusion via InitProto Instructions

Microsoft Edge Chakra JIT - Array Type Confusion via InitProto Instructions / If a native array is used as a prototype, it is converted to a Var array by the Js::JavascriptNativeFloatArray::SetIsPrototype method. In the JIT compiler, it uses InitProto instructions to set object literals' prototyp...

Microsoft Edge Chakra JIT - Array Type Confusion via InitProto Instructions Exploit

Exploit for windows platform in category dos / poc / If a native array is used as a prototype, it is converted to a Var array by the Js::JavascriptNativeFloatArray::SetIsPrototype method. In the JIT compiler, it uses InitProto instructions to set object literals' prototype. But when optimizing...

Microsoft Edge Chakra JIT NewScObjectNoCtor Array Type Confusion

Microsoft Edge: Chakra: JIT: Array type confusion via NewScObjectNoCtor CVE-2018-0838 This is similar to the previous issues 1457, 1459 MSRC 42551, MSRC 42552. If a JavaScript function is used as a consturctor, it sets the new object's "proto" to its "prototype". The JIT compiler uses...

Microsoft Edge Chakra JIT - 'NewScObjectNoCtor' Array Type Confusion

/ This is similar to the previous issues 1457, 1459 MSRC 42551, MSRC 42552. If a JavaScript function is used as a consturctor, it sets the new object's "proto" to its "prototype". The JIT compiler uses NewScObjectNoCtor instructions to perform it, but those instructions are not checked by...

Tenda AC15 Router - Remote Code Execution

!/usr/bin/env python EDB Note Source: https://www.fidusinfosec.com/remote-code-execution-cve-2018-5767/ import urllib2 import struct import time import socket from optparse import import SimpleHTTPServer import SocketServer import threading import sys import os import subprocess ARMREVSHELL =...

Arbitrary Code Execution

github.com/golang/go is vulnerable to arbitrary code execution attacks. The application does not filter the compiler flag variables -fplugin= and -plugin= when the go get command is run, allowing a malicious user to inject and execute arbitrary code by loading compiler plugins...

UBUNTU-CVE-2018-6574

Go before 1.8.7, Go 1.9.x before 1.9.4, and Go 1.10 pre-releases before Go 1.10rc2 allow "go get" remote command execution during source code build, by leveraging the gcc or clang plugin feature, because -fplugin= and -plugin= arguments were not blocked...

SUSE-SU-2018:0179-1 Security update for wireshark

This update for wireshark to version 2.2.12 fixes the following issues: - CVE-2018-5334: IxVeriWave file could crash bsc1075737 - CVE-2018-5335: WCP dissector could crash bsc1075738 - CVE-2018-5336: Multiple dissector crashes bsc1075739 - CVE-2017-17935: Incorrect handling of '\n' in filereadline...

Fedora 27 : kernel (2018-21a7ad920c)

The 4.14.13 stable kernel update contains a number of important fixes across the tree. This is also the first update to contain some spectre mitigations. Some patches for variant 1 as well as the initial retpoline build for variant 2. These variant 2 mitigations will improve with further patches,...

MGASA-2018-0071 Updated wireshark packages fix security vulnerabilities

The MRDISC dissector could crash CVE-2017-17997. The IxVeriWave file parser could crash CVE-2018-5334. The WCP dissector could crash CVE-2018-5335. Multiple dissectors could crash CVE-2018-5336. Prior to this release dumpcap enabled the Linux kernel’s BPF JIT compiler via the net.core.bpfjitenabl...

Updated wireshark packages fix security vulnerabilities

The MRDISC dissector could crash CVE-2017-17997. The IxVeriWave file parser could crash CVE-2018-5334. The WCP dissector could crash CVE-2018-5335. Multiple dissectors could crash CVE-2018-5336. Prior to this release dumpcap enabled the Linux kernel’s BPF JIT compiler via the net.core.bpfjitenabl...

Experts Weigh In On Spectre Patch Challenges

The race to patch against the Meltdown and Spectre processor vulnerabilities disclosed last week is on. As of today, there are no known exploits in the wild impacting vulnerable Intel, AMD and ARM devices. Currently, vendors are focused on three main mitigation efforts. Patches that address the...

RetDec - A Retargetable Machine-Code Decompiler

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 32b...

UBUNTU-CVE-2017-17862

kernel/bpf/verifier.c in the Linux kernel through 4.14.8 ignores unreachable code, even though it would still be processed by JIT compilers. This behavior, also considered an improper branch-pruning logic issue, could possibly be used by local users for denial of service...

IBM Db2 SQL Compiler Denial of Service Vulnerability

IBM Db2 is prone to a denial of service DoS vulnerability. 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 CPE = "cpe:/a:ibm:db2"; ifdescriptio...

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...

Microsoft Edge Chakra JIT GlobOpt::OptTagChecks Property Consideration Exploit

Exploit for windows platform in category dos / poc Microsoft Edge: Chakra: JIT: GlobOpt::OptTagChecks must consider IsLoopPrePass properly CVE-2017-11840 Some background: https://bugs.chromium.org/p/project-zero/issues/detail?id=1364 There's one more place that emits a BailOnNotObject opcode...

ai.x:play-json-extensions_2.12 (0.10.0), at.iem:sysson_2.12 (>=1.13.0, <=1.16.0) +1197 more potentially affected by CVE-2017-15288 via org.scala-lang:scala-compiler (>=2.12.0, <=2.12.3)

org.scala-lang:scala-compiler MAVEN version =2.12.0, =1.13.0, =3.5.4-rc.0, =3.5.9, =3.5.4-rc.0, =3.5.4-rc.0, =3.5.4-rc.0, =3.5.4-rc.0, =3.5.4-rc.0, =3.5.4-rc.0, =3.5.4-rc.0, =3.5.4-rc.0, =3.5.4-rc.0, =3.5.13 and more Source cves: CVE-2017-15288 Source advisory: MEND:CVE-2017-15288...