PT-2018-18580 · Microsoft · Edge

Qixun Zhao · Published 2018-11-13 · Updated 2022-05-13 · CVE-2018-8557

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 A remote code execution issue exists in the way the Chakra scripting engine handles objects in memory. This could allow an attacker to corrupt memory and execute arbitrary code in the context of the current user, potentially gaining the same user rights as the current user. If the current user has administrative rights, an 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

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2018-8557

GHSA-RHVG-R9FW-9WQJ

Affected Products

Edge

References · 11

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8557 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-8557 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8557 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-8557 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-rhvg-r9fw-9wqj · Vendor Advisory
• https://github.com/chakra-core/ChakraCore/pull/5827 · Note
• https://github.com/chakra-core/ChakraCore/commit/e73f2fff33c299934df28f2fc87d41aa9e149c50 · Note
• http://securityfocus.com/bid/105780 · Note
• http://securitytracker.com/id/1042107 · Note
• https://web.archive.org/web/20211126224439/http://securitytracker.com/id/1042107 · Note
• https://web.archive.org/web/20210124213936/http://securityfocus.com/bid/105780 · Note