#VU56784 Improperly implemented security check for standard in Google Chromium


Published: 2021-09-21 | Updated: 2021-09-25

Vulnerability identifier: #VU56784

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37967

CWE-ID: CWE-358

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 gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Background Fetch API in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Mitigation
Update to version 94.0.4606.54.

Vulnerable software versions

Google Chromium: 94.0.4606.0 - 94.0.4606.12


External links
http://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
http://crbug.com/1243622
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37967


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.


Latest bulletins with this vulnerability