Vulnerability identifier: #VU96736

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-8382

CWE-ID: CWE-749

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers
Firefox ESR
Client/Desktop applications / Web browsers
Firefox for Android
Mobile applications / Apps for mobile phones

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to internal browser event interfaces are exposed to web content when privileged EventHandler listener callbacks ran for those events. A remote attacker can indicate usage of certain browser features, such as when a user opens the Dev Tools console.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 129.0.2

Firefox ESR: 128.0 - 128.1.0, 115.0 - 115.14.0, 102.0 - 102.15.1

Firefox for Android: 100.1.0 - 129.0.2

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External links
http://www.mozilla.org/en-US/security/advisories/mfsa2024-39/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-40/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-41/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.