The vulnerabilities of Microsoft Edge and Internet Explorer involve improper handling of objects in memory, allowing an attacker to execute arbitrary code.

The vulnerability of Microsoft Edge and Internet Explorer is related to incorrect handling of objects in memory. Exploiting this vulnerability allows a malicious actor to execute arbitrary code in the context of the current user, using specially crafted content that causes memory corruption upon...

Microsoft Edge browser’s vulnerability, related to improper handling of objects in memory, allows a hacker to execute arbitrary code.

The vulnerability of Microsoft Edge browser on Microsoft Windows operating systems is related to incorrect handling of objects in memory. Exploiting this vulnerability allows a malicious actor to execute arbitrary code in the context of the current user...

Microsoft Edge Scripting Engine Remote Memory Corruption Vulnerability(CVE-2017-11802)

No description provided by source. The "String.prototype.replace" method can be inlined in the JIT process. So in the method, all the calls which may break the JIT assumptions must be invoked with updating "ImplicitCallFlags". But "RegexHelper::StringReplace" calls the replace function without...

Microsoft Edge Chakra - StackScriptFunction::BoxState::Box Accesses to Uninitialized Pointers (Denial of Service)

Microsoft Edge Chakra - StackScriptFunction::BoxState::Box Accesses to Uninitialized Pointers Denial of Service / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1338 Here's a snippet of the method that interprets a javascript function's bytecode. Js::Var...

Microsoft Edge Chakra JIT - Incorrect GenerateBailOut Calling Patterns

Microsoft Edge Chakra JIT - Incorrect GenerateBailOut Calling Patterns / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1333 Bailout: "ChakraCore’s background JIT compiler generates highly optimized JIT’ed code based upon the data and infers likely usage patterns based on the...

Microsoft Edge Chakra JIT - RegexHelper::StringReplace Must Call the Callback Function with Updating ImplicitCallFlags

Microsoft Edge Chakra JIT - RegexHelper::StringReplace Must Call the Callback Function with Updating ImplicitCallFlags / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1334 The "String.prototype.replace" method can be inlined in the JIT process. So in the method, all the calls...

Microsoft Edge Scripting Engine Remote Memory Corruption Vulnerability(CVE-2017-11799)

Bailout: "ChakraCore’s background JIT compiler generates highly optimized JIT’ed code based upon the data and infers likely usage patterns based on the profile data collected by the interpreter. Given the dynamic nature of JavaScript code, if the code gets executed in a way that breaks the profil...

Microsoft Edge Chakra JIT - 'RegexHelper::StringReplace' Must Call the Callback Function with Updating ImplicitCallFlags

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1334 The "String.prototype.replace" method can be inlined in the JIT process. So in the method, all the calls which may break the JIT assumptions must be invoked with updating "ImplicitCallFlags". But "RegexHelper::StringReplace"...

Microsoft Edge Chakra - 'StackScriptFunction::BoxState::Box' Accesses to Uninitialized Pointers (Denial of Service)

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1338 Here's a snippet of the method that interprets a javascript function's bytecode. Js::Var Js::InterpreterStackFrame::INTERPRETERLOOPNAME PROBESTACKscriptContext, Js::Constants::MinStackInterpreter; closureInitDone...

October 10, 2017—KB4041691 (OS Build 14393.1770)

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Microsoft Edge Scripting Engine Memory Corruption (CVE-2017-11809)

A Memory Corruption Vulnerability exists in Microsoft Edge. The vulnerability is due to the way JavaScript engine renders when handling objects in memory. A remote unauthenticated attacker could exploit this vulnerability by enticing the target user to open a specially crafted web page...

Microsoft Edge Scripting Engine Memory Corruption (CVE-2017-11799)

A Memory Corruption Vulnerability exists in Microsoft Edge. The vulnerability is due to the way JavaScript engine in Edge renders when handling objects in memory. A remote attacker could exploit this vulnerability by enticing the target user to open a specially crafted web page...

Microsoft Edge Scripting Engine Memory Corruption (CVE-2017-11802)

A remote code execution vulnerability exists in Microsoft Edge. The vulnerability is due to the way Microsoft Edge handles objects in memory. A remote attacker can exploit this issue by enticing a target victim to open a specially crafted web page...

Microsoft Edge Chakra StackScriptFunction::BoxState::Box Uninitialized Pointers Exploit

Exploit for windows platform in category dos / poc Microsoft Edge: Chakra: Accesses to uninitialized pointers in StackScriptFunction::BoxState::Box CVE-2017-11809 Here's a snippet of the method that interprets a javascript function's bytecode. Js::Var Js::InterpreterStackFrame::INTERPRETERLOOPNAM...

Microsoft Edge Chakra JIT Incorrect GenerateBailOut Calling Patterns Exploit

Exploit for windows platform in category dos / poc Microsoft Edge: Chakra: JIT: Incorrect GenerateBailOut calling patterns CVE-2017-11799 Bailout: "ChakraCoreas background JIT compiler generates highly optimized JITaed code based upon the data and infers likely usage patterns based on the profile...

Microsoft Edge Chakra JIT Failed RegexHelper::StringReplace Call Exploit

The "String.prototype.replace" method can be inlined in the JIT process. So in the method, all the calls which may break the JIT assumptions must be invoked with updating "ImplicitCallFlags". But "RegexHelper::StringReplace" calls the replace function without updating the flag. Therefore it fails...

Microsoft Edge Chakra JIT Failed RegexHelper::StringReplace Call

Microsoft Edge: Chakra: JIT: RegexHelper::StringReplace must call the callback function with updating ImplicitCallFlags CVE-2017-11802 The "String.prototype.replace" method can be inlined in the JIT process. So in the method, all the calls which may break the JIT assumptions must be invoked with...

Microsoft Edge Chakra JIT Incorrect GenerateBailOut Calling Patterns

Microsoft Edge: Chakra: JIT: Incorrect GenerateBailOut calling patterns CVE-2017-11799 Bailout: "ChakraCoreas background JIT compiler generates highly optimized JITaed code based upon the data and infers likely usage patterns based on the profile data collected by the interpreter. Given the dynam...

Microsoft Edge Chakra StackScriptFunction::BoxState::Box Uninitialized Pointers

Microsoft Edge: Chakra: Accesses to uninitialized pointers in StackScriptFunction::BoxState::Box CVE-2017-11809 Here's a snippet of the method that interprets a javascript function's bytecode. Js::Var Js::InterpreterStackFrame::INTERPRETERLOOPNAME PROBESTACKscriptContext,...

CVE-2017-11796

ChakraCore and Microsoft Edge in Windows 10 1703 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11792,...