CVE-2018-12369 Information

Description

WebExtensions bundled with embedded experiments were not correctly checked for proper authorization. This allowed a malicious WebExtension to gain full browser permissions. This vulnerability affects Firefox ESR 60.1 and Firefox 61.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/104561 http://www.securitytracker.com/id/1041193 https://bugzilla.mozilla.org/show_bug.cgi?id=1454909 https://security.gentoo.org/glsa/201810-01 https://usn.ubuntu.com/3705-1/ https://www.mozilla.org/security/advisories/mfsa2018-15/ https://www.mozilla.org/security/advisories/mfsa2018-16/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8