Privilege Escalation

microsoft.chakracore is vulnerable to privilege escalation. This happens because there is a flaw when getting the length property from ScriptFunction in the GetPropertyBuiltIns function of JavascriptGeneratorFunction.cpp.This CVE ID is different from CVE-2017-11886, CVE-2017-11889, CVE-2017-11890...

Microsoft Edge: Chakra: JavascriptGeneratorFunction::GetPropertyBuiltIns exposes scriptFunction(CVE-2017-11914)

Here's a snippet of the method. bool JavascriptGeneratorFunction::GetPropertyBuiltInsVar originalInstance, PropertyId propertyId, Var value, PropertyValueInfo info, ScriptContext requestContext, BOOL result if propertyId == PropertyIds::length ... int len = 0; Var varLength; if...

Microsoft Edge Chakra - 'JavascriptGeneratorFunction::GetPropertyBuiltIns' Type Confusion

/ Here's a snippet of the method. bool JavascriptGeneratorFunction::GetPropertyBuiltInsVar originalInstance, PropertyId propertyId, Var value, PropertyValueInfo info, ScriptContext requestContext, BOOL result if propertyId == PropertyIds::length ... int len = 0; Var varLength; if...

Microsoft Edge Chakra - JavascriptGeneratorFunction::GetPropertyBuiltIns Type Confusion

Microsoft Edge Chakra - JavascriptGeneratorFunction::GetPropertyBuiltIns Type Confusion / Here's a snippet of the method. bool JavascriptGeneratorFunction::GetPropertyBuiltInsVar originalInstance, PropertyId propertyId, Var value, PropertyValueInfo info, ScriptContext requestContext, BOOL result ...

Microsoft Edge Chakra JavascriptGeneratorFunction::GetPropertyBuiltIns Exposure

Microsoft Edge: Chakra: JavascriptGeneratorFunction::GetPropertyBuiltIns exposes scriptFunction CVE-2017-11914 Here's a snippet of the method. bool JavascriptGeneratorFunction::GetPropertyBuiltInsVar originalInstance, PropertyId propertyId, Var value, PropertyValueInfo info, ScriptContext...