CVE-2018-12369Incorrect Authorization in Mozilla Firefox

Severity
9.8CRITICALNVD
OSV4.3
EPSS
0.6%
top 31.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 18
Latest updateMay 13

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:HExploitability: 3.9 | Impact: 5.9

Affected Packages5 packages

debiandebian/firefox< firefox 61.0-1 (sid)
CVEListV5mozilla/firefoxunspecified61
NVDmozilla/firefox< 60.1.0+1
CVEListV5mozilla/firefox_esrunspecified60.1
Ubuntumozilla/firefox< 61.0.1+build1-0ubuntu0.14.04.1+5

Also affects: Ubuntu Linux 14.04, 16.04, 17.10, 18.04

🔴Vulnerability Details

4
GHSA
GHSA-pp5v-ch72-95w4: WebExtensions bundled with embedded experiments were not correctly checked for proper authorization2022-05-13
OSV
firefox regressions2018-07-10
OSV
firefox vulnerabilities2018-07-05
OSV
CVE-2018-12369: WebExtensions bundled with embedded experiments were not correctly checked for proper authorization2018-06-27

📋Vendor Advisories

4
Ubuntu
Firefox regressions2018-07-10
Ubuntu
Firefox vulnerabilities2018-07-05
Red Hat
Mozilla: WebExtension security permission checks bypassed by embedded experiments2018-06-26
Debian
CVE-2018-12369: firefox - WebExtensions bundled with embedded experiments were not correctly checked for p...2018

💬Community

1
Bugzilla
CVE-2018-12369 Mozilla: WebExtension security permission checks bypassed by embedded experiments2018-06-26