CVE-2018-12369: canonical ubuntu_linux Incorrect Authorization
CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2018-12369
Published 18-10-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-12369 is a critical (CVSS 9.8) Incorrect Authorization vulnerability in canonical ubuntu_linux. EPSS estimates a 2.52% chance of exploitation in the next 30 days, higher than 84.6% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
2.52%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 18-10-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.52%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.52% on 18-09-2026
18-09-202618-10-2026
EPSS score2.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mozilla2 products
- firefox≥ unspecified, < 61 | < 60.1.0 | < 61.0
- firefox_esr≥ unspecified, < 60.1
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10 | 18.04
Ubuntu1 product
- firefox< 61.0+build3-0ubuntu0.14.04.2 | < 61.0+build3-0ubuntu0.16.04.2 | < 61.0+build3-0ubuntu0.18.04.1
3 vendors · 4 products
References
11 links- bugzilla.mozilla.org/show_bug.cgi?id=1454909X Refsource CONFIRMIssue TrackingPermissions RequiredVendor Advisory