#VU95420 Multiple Interpretations of UI Input in Mozilla products - CVE-2024-7518

Vulnerability identifier: #VU95420

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-7518

CWE-ID: CWE-450

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 perform spoofing attack.

The vulnerability exist due to improper input interpretation in UI when handling select options. A remote attacler can obscure the fullscreen notification dialog by document content and perform spoofing attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 126.0 - 128.0.3

Firefox ESR: 128.0

Firefox for Android: 128.0 - 128.0.3

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External links
https://www.mozilla.org/en-US/security/advisories/mfsa2024-33/
https://www.mozilla.org/en-US/security/advisories/mfsa2024-35/

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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.