#VU56788 Spoofing attack in Google Chromium - CVE-2021-37971

Vulnerability identifier: #VU56788

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-2021-37971

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Chromium
Client/Desktop applications / Web browsers

Vendor: Google

Description

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to insufficient validation of user-supplied input in Web Browser UI in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.

Mitigation
Update to version 94.0.4606.54.

Vulnerable software versions

Google Chromium: 94.0.4606.0 - 94.0.4606.12

---

External links
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
https://crbug.com/1219354
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37971

---

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.