March 13, 2018—KB4088779 (OS Build 10586.1478)

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Microsoft Edge Charka JIT Incomplete Fix For Issue 1420

Microsoft Edge: Chakra: JIT: The fix for issue 1420 is incomplete. CVE-2018-0933 Here's a snippet of JavascriptArray::BoxStackInstance. To fix issue 1420 , "deepCopy" was introduced. It only deep-copies the array when "instance-head" is on the stack. So simply by adding a single line of code that...

Microsoft Edge Chakra JIT - Stack-to-Heap Copy (Incomplete Fix) (1)

Microsoft Edge Chakra JIT - Stack-to-Heap Copy Incomplete Fix 1 / Here's a snippet of JavascriptArray::BoxStackInstance. To fix issue 1420 , "deepCopy" was introduced. But it only deep-copies the array when "instance-head" is on the stack. So simply by adding a single line of code that allocates...

Microsoft Edge Chakra JIT - Stack-to-Heap Copy (Incomplete Fix) Exploit

Exploit for windows platform in category dos / poc / Here's a snippet of JavascriptArray::BoxStackInstance. To fix issue 1420 , "deepCopy" was introduced. But it only deep-copies the array when "instance-head" is on the stack. So simply by adding a single line of code that allocates "head" to the...

Microsoft Edge Charka JIT Incomplete Fix For Issue 1420 #2

Title: Microsoft Edge: Chakra: JIT: The fix for issue 1420 is incomplete 2 CVE-2018-0934 Here's a snippet of JavascriptArray::BoxStackInstance. template T JavascriptArray::BoxStackInstanceT instance, bool deepCopy AssertThreadContext::IsOnStackinstance; // On the stack, the we reserved a pointer...

Microsoft Edge Chakra JIT - Stack-to-Heap Copy (Incomplete Fix) (2)

/ Here's a snippet of JavascriptArray::BoxStackInstance. template T JavascriptArray::BoxStackInstanceT instance, bool deepCopy AssertThreadContext::IsOnStackinstance; // On the stack, the we reserved a pointer before the object as to store the boxed value T boxedInstanceRef = T instance - 1; T...

SSO PassThrough is not working in Microsoft Edge Browser.

SSO Pass-through is not working in Microsoft Edge Browser...

Microsoft Edge Select Element Out-Of-Bounds Read Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Edge. 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 of...

Microsoft Edge CSS var Function Type Confusion Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Edge. 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...

The vulnerability of the JavaScript script handler ChakraCore in the Microsoft Edge browser, caused by an operation that goes beyond the buffer in memory, allows attackers to execute arbitrary code.

The vulnerability of the JavaScript script handler ChakraCore in the Microsoft Edge browser is caused by an operation that goes beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the JavaScript script handler ChakraCore in the Microsoft Edge browser, caused by an operation that goes beyond the buffer in memory, allows attackers to execute arbitrary code.

The vulnerability of the JavaScript script handler ChakraCore in the Microsoft Edge browser is caused by an operation that goes beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the JavaScript script handler ChakraCore in the Microsoft Edge browser, caused by an operation that goes beyond the buffer in memory, allows attackers to execute arbitrary code.

The vulnerability of the JavaScript script handler ChakraCore in the Microsoft Edge browser is caused by an operation that goes beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of Microsoft Edge browser and the ChakraCore JavaScript engine handler involves improper handling of objects in memory, allowing an attacker to trigger memory corruption and execute arbitrary code.

The vulnerability of Microsoft Edge browser and the JavaScript script handler ChakraCore is related to improper handling of objects in memory. Exploiting this vulnerability can allow a remote attacker to trigger memory corruption and execute arbitrary code using a specially crafted web page...

The vulnerability of Microsoft Edge browser and the ChakraCore JavaScript engine handler involves improper handling of objects in memory, allowing an attacker to trigger memory corruption and execute arbitrary code.

The vulnerability of Microsoft Edge browser and the JavaScript script handler ChakraCore is related to improper handling of objects in memory. Exploiting this vulnerability can allow a remote attacker to trigger memory corruption and execute arbitrary code using a specially crafted web page...

Microsoft Edge CQuotes Type Confusion Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Edge. 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...

Sharing research and discoveries at PWN2OWN

The annual PWN2OWN exploit contest at the CanSecWest conference in Vancouver, British Columbia, Canada, brings together some of the top security talent from across the globe in a friendly competition. For the participants, these events are a platform to demonstrate world-class skills and vie for...

CVE-2018-0939

ChakraCore and Microsoft Edge in Windows 10 1703 and 1709 allow information disclosure, due to how the scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2018-0891...

CVE-2018-0932

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Microsoft Edge and Internet Explorer in Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016 and Windows Server, version 1709 allows information...

CVE-2018-0932

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Microsoft Edge and Internet Explorer in Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016 and Windows Server, version 1709 allows information...

CVE-2018-0930

ChakraCore and Microsoft Edge in Microsoft Windows 10 1709 allows remote code execution, due to how the Chakra scripting engine handles objects in memory, aka "Chakra Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0872, CVE-2018-0873, CVE-2018-0874,...