CVE-2018-12386

Published Oct 18, 2018

Last updated 4 days ago

Overview

Description
A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
Source
security@mozilla.org
NVD status
Modified

Risk scores

CVSS 3.0

Type
Primary
Base score
8.1
Impact score
5.2
Exploitability score
2.8
Vector string
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
5.8
Impact score
4.9
Exploitability score
8.6
Vector string
AV:N/AC:M/Au:N/C:P/I:P/A:N

Weaknesses

nvd@nist.gov
CWE-704

Social media

Hype score
Not currently trending

Configurations