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CVE-2018-12386

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Date: October 18, 2018

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.

Language: Unix

Severity Score

Related Resources (14)

https://nvd.nist.gov/vuln/detail/CVE-2018-12386
https://security.gentoo.org/glsa/201810-01
https://www.mozilla.org/security/advisories/mfsa2018-24/
http://www.securitytracker.com/id/1041770
https://bugzilla.mozilla.org/show_bug.cgi?id=1493900
http://www.securityfocus.com/bid/105460
https://www.debian.org/security/2018/dsa-4310
https://access.redhat.com/security/cve/CVE-2018-12386
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-12386
https://usn.ubuntu.com/3778-1/
https://security-tracker.debian.org/tracker/CVE-2018-12386
https://access.redhat.com/errata/RHSA-2018:2884
https://access.redhat.com/errata/RHSA-2018:2881
https://www.mend.io/vulnerability-database/CVE-2018-12386

Severity Score

Weakness Type (CWE)

Incorrect Type Conversion or Cast

CWE-704

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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