CVE-2018-12369

Published: 27 June 2018

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.

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	artful	Released (61.0+build3-0ubuntu0.17.10.1)
	bionic	Released (61.0+build3-0ubuntu0.18.04.1)
	trusty	Released (61.0+build3-0ubuntu0.14.04.2)
	upstream	Released (61.0)
	xenial	Released (61.0+build3-0ubuntu0.16.04.2)

Severity score breakdown

Parameter	Value
Base score	9.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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