PT-2018-1801 · Microsoft · Chakracore+1

Published 2018-11-13 · Updated 2022-05-13 · CVE-2018-8543

Positive Technologies (AI Summary)

CVSS v2.0

7.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Edge (affected versions not specified)

Description The issue is caused by a buffer overflow in the ChakraCore JavaScript engine's memory operation. This could allow a remote attacker to execute arbitrary code using a specially crafted web page. The vulnerability can corrupt memory, enabling an attacker to gain the same user rights as the current user. If the current user has administrative rights, the attacker could take control of the affected system, install programs, view, change, or delete data, or create new accounts with full user rights.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-119

Related Identifiers

BDU:2018-01401

CVE-2018-8543

GHSA-H9CR-2HCF-CG8P

Affected Products

Chakracore

Edge

References · 15

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8543 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-8543 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8543 · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-01401 · Security Note
• https://osv.dev/vulnerability/GHSA-h9cr-2hcf-cg8p · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-8543 · Vendor Advisory
• https://github.com/chakra-core/ChakraCore · Note
• https://github.com/chakra-core/ChakraCore/commit/ef75eace57c0754428699485f10970ca0fb7a54d · Note
• https://github.com/chakra-core/ChakraCore/pull/5827 · Note
• https://securityfocus.com/bid/105846 · Note
• https://web.archive.org/web/20210730063716/http://securityfocus.com/bid/105846 · Note
• https://vuldb.com/?id.126705 · Note
• https://web.archive.org/web/20211126224439/http://securitytracker.com/id/1042107 · Note
• http://securityfocus.com/bid/105846 · Note
• http://securitytracker.com/id/1042107 · Note