CVE-2018-12369

critical
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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

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

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

Tenable Plugins

View all (12 total)

IDNameProductFamilySeverity
123203openSUSE Security Update : MozillaFirefox (openSUSE-2019-494)NessusSuSE Local Security Checks
critical
117894GLSA-201810-01 : Mozilla Firefox: Multiple vulnerabilitiesNessusGentoo Local Security Checks
critical
700341Mozilla Firefox ESR < 60.1 Multiple VulnerabilitiesNessus Network MonitorWeb Clients
high
700330Mozilla Firefox < 61 Multiple VulnerabilitiesNessus Network MonitorWeb Clients
high
111005Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : Firefox regressions (USN-3705-2)NessusUbuntu Local Security Checks
critical
110942Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : firefox vulnerabilities (USN-3705-1)NessusUbuntu Local Security Checks
critical
110811Mozilla Firefox < 61 Multiple Critical VulnerabilitiesNessusWindows
high
110810Mozilla Firefox ESR < 60.1 Multiple Critical VulnerabilitiesNessusWindows
high
110808Mozilla Firefox ESR < 60.1 Multiple Vulnerabilities (macOS)NessusMacOS X Local Security Checks
high
110806Mozilla Firefox < 61 Multiple Critical Vulnerabilities (macOS)NessusMacOS X Local Security Checks
high
110801openSUSE Security Update : MozillaFirefox (openSUSE-2018-676)NessusSuSE Local Security Checks
critical
110700FreeBSD : mozilla -- multiple vulnerabilities (cd81806c-26e7-4d4a-8425-02724a2f48af)NessusFreeBSD Local Security Checks
critical