Remote Code Execution (RCE)

Charka Core is vulnerable to Remote Code Execution. This is due to an improper type-check when the engine handles objects in memory. This allows an attacker to execute arbitrary codes with user permission. If the user has admin rights, the attacker can potentially take control of the system...

Microsoft Edge Charka JIT Incorrect Check

Microsoft Edge: Chakra: JIT: Incorrect integer overflow check in Lowerer::LowerBoundCheck CVE-2017-11861 Here's a snippet of the method. void Lowerer::LowerBoundCheckIR::Instr const instr ... ifrightOpnd-IsIntConstOpnd IntConstType newOffset; if!IntConstMath::Addoffset,...

Microsoft Edge Charka Failed Re-Parse

Microsoft Edge: Chakra: InterpreterStackFrame::ProcessLinkFailedAsmJsModule incorrectly re-parses CVE-2017-8645 When Chakra fails to link an asmjs module, it tries to re-parse the failed-to-link asmjs function to treat it as a normal javascript function. But it incorrectly handles the case where...