Microsoft Edge: Chakra: AsmJSByteCodeGenerator::EmitCall call handling bug(CVE-2018-0780)

AsmJSByteCodeGenerator::EmitCall which is used to emit call insturctions doesn't check if an array identifier is used as callee. The method handles those invalid calls in the same way it handles valid calls such as "arridx & ...". In these cases, the index register remains NoRegister which is...

Microsoft Edge Chakra AsmJSByteCodeGenerator::EmitCall Call Handling

Microsoft Edge: Chakra: AsmJSByteCodeGenerator::EmitCall call handling bug CVE-2018-0780 AsmJSByteCodeGenerator::EmitCall which is used to emit call insturctions doesn't check if an array identifier is used as callee. The method handles those invalid calls in the same way it handles valid calls...

Microsoft Edge Chakra - AsmJSByteCodeGenerator::EmitCall Out-of-Bounds Read Exploit

Exploit for windows platform in category dos / poc / AsmJSByteCodeGenerator::EmitCall which is used to emit call insturctions doesn't check if an array identifier is used as callee. The method handles those invalid calls in the same way it handles valid calls such as "arridx & ...". In these case...

Microsoft Edge Chakra - 'AsmJSByteCodeGenerator::EmitCall' Out-of-Bounds Read

/ AsmJSByteCodeGenerator::EmitCall which is used to emit call insturctions doesn't check if an array identifier is used as callee. The method handles those invalid calls in the same way it handles valid calls such as "arridx & ...". In these cases, the index register remains NoRegister which is...

Microsoft Edge Chakra - AsmJSByteCodeGenerator::EmitCall Out-of-Bounds Read

Microsoft Edge Chakra - AsmJSByteCodeGenerator::EmitCall Out-of-Bounds Read / AsmJSByteCodeGenerator::EmitCall which is used to emit call insturctions doesn't check if an array identifier is used as callee. The method handles those invalid calls in the same way it handles valid calls such as...

Microsoft Edge Chakra asm.js Out-of-Bounds Read Exploit

Exploit for windows platform in category dos / poc / Here's a snippet of AsmJSByteCodeGenerator::EmitAsmJsFunctionBody. AsmJsVar initSource = nullptr; if decl-sxVar.pnodeInit-nop == knopName AsmJsSymbol initSym = mCompiler-LookupIdentifierdecl-sxVar.pnodeInit-name, mFunction; if...

Microsoft Edge Chakra - asm.js Out-of-Bounds Read

Microsoft Edge Chakra - asm.js Out-of-Bounds Read / Here's a snippet of AsmJSByteCodeGenerator::EmitAsmJsFunctionBody. AsmJsVar initSource = nullptr; if decl-sxVar.pnodeInit-nop == knopName AsmJsSymbol initSym = mCompiler-LookupIdentifierdecl-sxVar.pnodeInit-name, mFunction; if...

Microsoft Edge Chakra - 'asm.js' Out-of-Bounds Read

/ Here's a snippet of AsmJSByteCodeGenerator::EmitAsmJsFunctionBody. AsmJsVar initSource = nullptr; if decl-sxVar.pnodeInit-nop == knopName AsmJsSymbol initSym = mCompiler-LookupIdentifierdecl-sxVar.pnodeInit-name, mFunction; if initSym-GetSymbolType == AsmJsSymbol::Variable // in this case we ar...