The vulnerability of Microsoft Edge browser and the ChakraCore JavaScript engine lies in memory object handling errors, allowing attackers to execute arbitrary code.

The vulnerability of Microsoft Edge browser and the JavaScript script handler ChakraCore is related to the execution of operations beyond the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code using a specially crafted web page...

The vulnerability of Microsoft Edge browser and the ChakraCore JavaScript engine lies in memory object handling errors, allowing attackers to execute arbitrary code.

The vulnerability of Microsoft Edge browser and the JavaScript scenario handler ChakraCore arises due to an operation going beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code using a specially crafted web page...

The vulnerability of Microsoft Edge browser and the ChakraCore JavaScript engine lies in memory object handling errors, allowing attackers to execute arbitrary code.

The vulnerability of Microsoft Edge browser and the JavaScript scenario handler ChakraCore arises due to an operation going beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code using a specially crafted web page...

The vulnerability of Microsoft Edge browser and the ChakraCore JavaScript engine lies in memory object handling errors, allowing attackers to execute arbitrary code.

The vulnerability of Microsoft Edge browser and the JavaScript script handler ChakraCore is related to the execution of operations beyond the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code using a specially crafted web page...

Microsoft Edge Chakra - EntrySimpleObjectSlotGetter Type Confusion

Microsoft Edge Chakra - EntrySimpleObjectSlotGetter Type Confusion / function optw, arr arr0 = 1.1; let res = w.event; arr0 = 2.3023e-320; return res; let arr = 1.1; for let i = 0; i ::EntrySimpleObjectSlotGetter 00007fffd5cf3d50 // w.event 000001a880001235 48ffd0 call rax 000001a880001238...

The vulnerability of Microsoft Edge browser and the ChakraCore JavaScript engine lies in memory object handling errors, allowing attackers to execute arbitrary code.

The vulnerability of Microsoft Edge browser and the JavaScript scenario handler ChakraCore arises due to an operation going beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code using a specially crafted web page...

The vulnerability of Microsoft Edge browser and the ChakraCore JavaScript engine handler, related to the execution of operations beyond the buffer in memory, allows attackers to execute arbitrary code.

The vulnerability of Microsoft Edge browser and the JavaScript scenario handler ChakraCore arises due to an operation going beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code using a specially crafted web page...

The vulnerability of Microsoft Edge browser and the ChakraCore JavaScript engine handler, related to the execution of operations beyond the buffer in memory, allows attackers to execute arbitrary code.

The vulnerability of Microsoft Edge browser and the JavaScript scenario handler ChakraCore arises due to an operation going beyond the buffer boundaries in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code using a specially crafted web page...

Microsoft Edge Chakra EntrySimpleObjectSlotGetter Type Confusion Exploit

Microsoft Edge Chakra suffers from an issue where EntrySimpleObjectSlotGetter can have side effects that cause a type confusion vulnerability. Microsoft Edge: Chakra: EntrySimpleObjectSlotGetter can have side effects CVE-2018-8133 function optw, arr arr0 = 1.1; let res = w.event; arr0 =...

Microsoft Edge Chakra EntrySimpleObjectSlotGetter Type Confusion

Microsoft Edge: Chakra: EntrySimpleObjectSlotGetter can have side effects CVE-2018-8133 function optw, arr arr0 = 1.1; let res = w.event; arr0 = 2.3023e-320; return res; let arr = 1.1; for let i = 0; i ::EntrySimpleObjectSlotGetter 00007fffd5cf3d50 // w.event 000001a880001235 48ffd0 call rax...

Microsoft Edge Chakra - EntrySimpleObjectSlotGetter Type Confusion

/ function optw, arr arr0 = 1.1; let res = w.event; arr0 = 2.3023e-320; return res; let arr = 1.1; for let i = 0; i ::EntrySimpleObjectSlotGetter 00007fffd5cf3d50 // w.event 000001a880001235 48ffd0 call rax 000001a880001238 488b8e30bdf0ff mov rcx,qword ptr rsi-0F42D0h 000001a88000123f f2480f10415...

Microsoft Edge Chakra - Cross Context Use-After-Free

f.onload = null; // Garbage collection for let i = 0; i 10; i++ new ArrayBuffer1024 1024 40; let obj = opt; // "opt" returns the freed string constant. ; // Closing the diffrent context f.src = 'about:blank'; But in fact, if you run the code, you will see an exception saying "Can't execute code...

Microsoft Edge Chakra - Cross Context Use-After-Free

Microsoft Edge Chakra - Cross Context Use-After-Free f.onload = null; // Garbage collection for let i = 0; i 10; i++ new ArrayBuffer1024 1024 40; let obj = opt; // "opt" returns the freed string constant. ; // Closing the diffrent context f.src = 'about:blank'; But in fact, if you run the code, y...

Microsoft Edge Chakra JIT - Magic Value Type Confusion Exploit

Exploit for windows platform in category dos / poc / BOOL JavascriptNativeFloatArray::SetItemuint32 index, double dValue if uint64&dValue == uint64&JavascriptNativeFloatArray::MissingItem JavascriptArray varArr = JavascriptNativeFloatArray::ToVarArraythis; varArr-DirectSetItemAtindex,...

Microsoft Edge Chakra JIT - Magic Value Type Confusion

Microsoft Edge Chakra JIT - Magic Value Type Confusion / BOOL JavascriptNativeFloatArray::SetItemuint32 index, double dValue if uint64&dValue == uint64&JavascriptNativeFloatArray::MissingItem JavascriptArray varArr = JavascriptNativeFloatArray::ToVarArraythis; varArr-DirectSetItemAtindex,...

Microsoft Edge Chakra JIT Bounce Check Elimination Bug

Microsoft Edge: Chakra: JIT: A bound check elimination bug CVE-2018-0980 Chakra uses the InvariantBlockBackwardIterator class to backpropagate the information about the hoisted bound checks. But the class follows the linked list instaed of the control flow. This may lead to incorrectly remove the...

Microsoft Edge Chakra JIT - Bound Check Elimination Bug

/ Chakra uses the InvariantBlockBackwardIterator class to backpropagate the information about the hoisted bound checks. But the class follows the linked list instaed of the control flow. This may lead to incorrectly remove the bound checks. In the following code, currentBlock's block number is 4...

Microsoft Edge Chakra JIT - Bound Check Elimination Bug Exploit

Exploit for windows platform in category dos / poc / Chakra uses the InvariantBlockBackwardIterator class to backpropagate the information about the hoisted bound checks. But the class follows the linked list instaed of the control flow. This may lead to incorrectly remove the bound checks. In th...

Microsoft Edge XML File Sandbox Escape Vulnerability

This vulnerability allows local attackers to escape the sandbox on vulnerable installations of Microsoft Edge. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists due to the fact that variou...

Microsoft Edge Undo Out-Of-Bounds Read 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...