Vulnerability identifier: #VU69333

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-45418

CWE-ID: CWE-451

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 exists due to incorrect processing of custom mouse cursor. A remote attacker can draw a custom mouse cursor, specified in CSS, over the browser UI, resulting in potential user confusion or spoofing attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 106.0.5

Firefox for Android: 100.1.0 - 106.1.0

Firefox ESR: 102.0 - 102.4.0

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External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-47/
http://www.mozilla.org/en-US/security/advisories/mfsa2022-48/

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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.