CVE-2018-12369

HIGH

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.

References

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/

Details

Source: MITRE

Published: 2018-10-18

Updated: 2019-10-03

Type: CWE-863

Risk Information

CVSS v2.0

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL