#VU56974 Information disclosure in Google Chromium - CVE-2021-37976

Vulnerability identifier: #VU56974

Vulnerability risk: High

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2021-37976

CWE-ID: CWE-200

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 potentially sensitive information.

The vulnerability exists due to excessive data output in core in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and gain access to sensitive information.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Update to version 94.0.4606.71.

Vulnerable software versions

Google Chromium: 94.0.4606.0 - 94.0.4606.54

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External links
https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_30.html
https://crbug.com/1251787
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37976

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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?

Yes. This vulnerability is being exploited in the wild.