Microsoft Edge Chakra JIT - Lowerer::LowerSetConcatStrMultiItem Missing Integer Overflow Check

Exploit for windows platform in category dos / poc / The method "Lowerer::LowerSetConcatStrMultiItem" is used to generate machine code to concatenate strings. Here's a snippet of the method. void Lowerer::LowerSetConcatStrMultiItemIR::Instr instr ... IR::IndirOpnd dstLength =...

Microsoft Edge Chakra JIT - 'Lowerer::LowerSetConcatStrMultiItem' Missing Integer Overflow Check

/ The method "Lowerer::LowerSetConcatStrMultiItem" is used to generate machine code to concatenate strings. Here's a snippet of the method. void Lowerer::LowerSetConcatStrMultiItemIR::Instr instr ... IR::IndirOpnd dstLength = IR::IndirOpnd::NewconcatStrOpnd,...