CVE-2018-12397

CVE Details

Release Date:	2019-02-28
Impact:	Moderate	What is this?

Description

A WebExtension can request access to local files without the warning prompt stating that the extension will Access your data for all websites being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

See more information about CVE-2018-12397 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.1
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (firefox)	ELSA-2018-3006	2018-11-01
Oracle Linux version 7 (firefox)	ELSA-2018-3005	2018-10-24