Vulnerability Details : CVE-2018-12369
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.
Products affected by CVE-2018-12369
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-12369
2.47%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-12369
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-12369
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-12369
-
http://www.securitytracker.com/id/1041193
Mozilla Firefox Multiple Bugs Let Remote Users Conduct Cross-Site Request Forgery Attacks, Bypass Security Restrictions, Obtain Potentially Sensitive Information, and Execute Arbitrary Code - SecurityThird Party Advisory;VDB Entry
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1454909
1454909 - (CVE-2018-12369) No check for privileged permissions for WebExtension experimentsIssue Tracking;Permissions Required;Vendor Advisory
-
http://www.securityfocus.com/bid/104561
Mozilla Firefox and Firefox ESR Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
-
https://security.gentoo.org/glsa/201810-01
Mozilla Firefox: Multiple vulnerabilities (GLSA 201810-01) — Gentoo securityThird Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2018-15/
Security vulnerabilities fixed in Firefox 61 — MozillaVendor Advisory
-
https://usn.ubuntu.com/3705-1/
USN-3705-1: Firefox vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2018-16/
Security vulnerabilities fixed in Firefox ESR 60.1 — MozillaVendor Advisory
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