Mozilla Firefox up to 104 FeaturePolicy access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 104. It has been declared as critical. This issue affects some unknown processing of the component FeaturePolicy. The manipulation results in access control. This vulnerability is identified as CVE-2022-40959. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 104 (Web Browser). It has been classified as critical. Affected is some unknown processing of the component FeaturePolicy. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 09/20/2022 by Armin Ebert as Bug 1782211 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:

During iframe navigation, certain pages did not have their FeaturePolicy fully initialized leading to a bypass that leaked device permissions into untrusted subdocuments.
This vulnerability is traded as CVE-2022-40959. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/13/2024). The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 208611 (CentOS 7 : firefox (RHSA-2022:6711)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 105 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208611). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: 208611
Nessus Name: CentOS 7 : firefox (RHSA-2022:6711)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 105

Timelineinfo

09/19/2022 🔍
09/20/2022 +1 days 🔍
09/20/2022 +0 days 🔍
09/29/2022 +9 days 🔍
04/29/2025 +943 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1782211
Researcher: Armin Ebert
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-40959 (🔍)
GCVE (CVE): GCVE-0-2022-40959
GCVE (VulDB): GCVE-100-209796

Entryinfo

Created: 09/29/2022 14:13
Updated: 04/29/2025 15:42
Changes: 09/29/2022 14:13 (17), 09/29/2022 14:16 (29), 10/25/2022 12:36 (1), 10/13/2024 13:07 (16), 04/29/2025 15:42 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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