Mozilla Firefox up to 60 WebExtensions access control

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Mozilla Firefox up to 60 and classified as critical. Affected is an unknown function of the component WebExtensions. The manipulation leads to access control. This vulnerability is listed as CVE-2018-12369. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 60 (Web Browser). This issue affects an unknown part of the component WebExtensions. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 06/26/2018. The weakness was presented 06/26/2018 as MFSA 2018-15 as confirmed security advisory (Website). The advisory is shared at mozilla.org. The identification of this vulnerability is CVE-2018-12369 since 06/14/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 117894 (GLSA-201810-01 : Mozilla Firefox: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197193 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-3705-1)).

Upgrading to version 61 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117894), SecurityFocus (BID 104561†) and SecurityTracker (ID 1041193†). See VDB-120044, VDB-120045, VDB-120046 and VDB-120047 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 117894
Nessus Name: GLSA-201810-01 : Mozilla Firefox: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Firefox 61

Timelineinfo

06/14/2018 🔍
06/26/2018 +12 days 🔍
06/26/2018 +0 days 🔍
06/26/2018 +0 days 🔍
06/26/2018 +0 days 🔍
06/27/2018 +1 days 🔍
06/28/2018 +1 days 🔍
10/03/2018 +97 days 🔍
10/18/2018 +15 days 🔍
11/26/2025 +2596 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA 2018-15
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-12369 (🔍)
GCVE (CVE): GCVE-0-2018-12369
GCVE (VulDB): GCVE-100-120053
SecurityFocus: 104561 - Mozilla Firefox and Firefox ESR Multiple Security Vulnerabilities
SecurityTracker: 1041193

See also: 🔍

Entryinfo

Created: 06/28/2018 09:11
Updated: 11/26/2025 08:20
Changes: 06/28/2018 09:11 (77), 02/23/2020 08:13 (8), 11/26/2025 08:20 (17)
Complete: 🔍
Cache ID: 216::103

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