Mozilla Firefox up to 130 on Android Full-screen Mode clickjacking

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.
4.1$5k-$25k0.00

A vulnerability was found in Mozilla Firefox up to 130 on Android. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Full-screen Mode. The manipulation with an unknown input leads to a clickjacking vulnerability. The CWE definition for the vulnerability is CWE-451. The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks. As an impact it is known to affect integrity. The summary by CVE is:

A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode. This may allow spoofing of other sites as the address bar is no longer visible. *This bug only affects Firefox Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 131.

It is possible to read the advisory at bugzilla.mozilla.org. This vulnerability is known as CVE-2024-9391 since 10/01/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/02/2024). The attack technique deployed by this issue is T1566.003 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 207979 (Mozilla Firefox < 131.0), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 131 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (207979). The entry VDB-279008 is pretty similar.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Clickjacking
CWE: CWE-451
CAPEC: 🔒
ATT&CK: 🔒

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 207979
Nessus Name: Mozilla Firefox < 131.0

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Firefox 131

Timelineinfo

10/01/2024 Advisory disclosed
10/01/2024 +0 days CVE reserved
10/01/2024 +0 days VulDB entry created
10/02/2024 +1 days VulDB entry last update

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: bugzilla.mozilla.org
Status: Confirmed

CVE: CVE-2024-9391 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20130704
See also: 🔒

Entryinfo

Created: 10/01/2024 06:02 PM
Updated: 10/02/2024 12:26 PM
Changes: 10/01/2024 06:02 PM (57), 10/02/2024 07:13 AM (2), 10/02/2024 12:26 PM (1)
Complete: 🔍
Cache ID: 3:2DF:40

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