Vulnerability identifier: #VU55493

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30593

CWE-ID: CWE-125

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 a boundary condition within the Tab Strip component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and gain access to sensitive information.

Mitigation
Update to version 92.0.4515.131.

Vulnerable software versions

Google Chromium: 92.0.4515.0 - 92.0.4515.130

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External links
http://chromereleases.googleblog.com/2021/08/the-stable-channel-has-been-updated-to.html
http://crbug.com/1209616
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30593

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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.