CVE-2018-4911

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a use after free vulnerability in the JavaScript API related to bookmark functionality. The...

CVE-2018-4911

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a use after free vulnerability in the JavaScript API related to bookmark functionality. The...

CVE-2018-4910

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a heap overflow vulnerability in the JavaScript engine. The vulnerability is triggered by a PDF file...

Heap overflow

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a heap overflow vulnerability in the image conversion engine, when handling JPEG data embedded within...

Design/Logic Flaw

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a use after free vulnerability in the JavaScript API related to bookmark functionality. The...

CVE-2018-4890

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a heap overflow vulnerability in the image conversion engine, when handling JPEG data embedded within...

Heap overflow

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a heap overflow vulnerability in the JavaScript engine. The vulnerability is triggered by a PDF file...

CVE-2018-4890

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability is an instance of a heap overflow vulnerability in the image conversion engine, when handling JPEG data embedded within...

CVE-2018-4890

CVE-2018-4890 affects Adobe Acrobat Reader implementations (2018.009.20050 and earlier, 2017.011.30070 and earlier, 2015.006.30394 and earlier). The issue is a heap overflow in the image conversion engine when processing JPEG data embedded in an XPS file. Consequences described include code corru...

FLARE IDA Pro Script Series: Simplifying Graphs in IDA

Introduction We’re proud to release a new plug-in for IDA Pro users – SimplifyGraph – to help automate creation of groups of nodes in the IDA’s disassembly graph view. Code and binaries are available from the FireEye GitHub repo. Prior to this release we submitted it in the 2017 Hex-Rays plugin...

FLARE IDA Pro Script Series: Simplifying Graphs in IDA

Introduction We’re proud to release a new plug-in for IDA Pro users – SimplifyGraph – to help automate creation of groups of nodes in the IDA’s disassembly graph view. Code and binaries are available from the FireEye GitHub repo. Prior to this release we submitted it in the 2017 Hex-Rays plugin...

CVE-2018-0818

Microsoft ChakraCore allows an attacker to bypass Control Flow Guard CFG in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass"...

Security feature bypass

Microsoft ChakraCore allows an attacker to bypass Control Flow Guard CFG in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass"...

CVE-2018-0818

CVE-2018-0818 is a security feature bypass in Microsoft ChakraCore that enables bypass of Control Flow Guard (CFG) by exploiting how the Chakra scripting engine handles memory. Affected software includes ChakraCore, Microsoft Edge and Internet Explorer, with the CFG bypass potentially enabling co...

CVE-2018-0818

Microsoft ChakraCore allows an attacker to bypass Control Flow Guard CFG in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass"...

Microsoft Edge Chakra JIT BackwardPass::RemoveEmptyLoopAfterMemOp Failed Insert

Microsoft Edge: Chakra: JIT: BackwardPass::RemoveEmptyLoopAfterMemOp doesn't insert branches. CVE-2017-11909 The optimizations for memory operations may leave empty loops as follows: for let i = 0; i arr.length; i++ arri = 0; Becomes: Memsetarr, 0, arr.length; for let i = 0; i arr.length; i++ //...

Microsoft Edge Chakra JIT - BackwardPass::RemoveEmptyLoopAfterMemOp Does not Insert Branches

Exploit for windows platform in category dos / poc / The optimizations for memory operations may leave empty loops as follows: for let i = 0; i arr.length; i++ arri = 0; Becomes: Memsetarr, 0, arr.length; for let i = 0; i arr.length; i++ // empty! These empty loops will be removed by...

Microsoft Edge Chakra JIT - BackwardPass::RemoveEmptyLoopAfterMemOp Does not Insert Branches

/ The optimizations for memory operations may leave empty loops as follows: for let i = 0; i arr.length; i++ arri = 0; Becomes: Memsetarr, 0, arr.length; for let i = 0; i arr.length; i++ // empty! These empty loops will be removed by "BackwardPass::RemoveEmptyLoopAfterMemOp". But this method just...

Microsoft Edge Chakra JIT - BackwardPass::RemoveEmptyLoopAfterMemOp Does not Insert Branches

Microsoft Edge Chakra JIT - BackwardPass::RemoveEmptyLoopAfterMemOp Does not Insert Branches / The optimizations for memory operations may leave empty loops as follows: for let i = 0; i arr.length; i++ arri = 0; Becomes: Memsetarr, 0, arr.length; for let i = 0; i arr.length; i++ // empty! These...

Scripting Engine Security Feature Bypass Vulnerability

A security feature bypass vulnerability exists in the Microsoft Chakra scripting engine that allows Control Flow Guard CFG to be bypassed. By itself, the CFG bypass vulnerability does not allow arbitrary code execution. However, an attacker could use the CFG bypass vulnerability in conjunction wi...