#VU54904 Type Confusion


Published: 2021-07-15

Vulnerability identifier: #VU54904

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30561

CWE-ID: CWE-843

Exploitation vector: Network

Exploit availability: No

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

Vendor: Google, Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Update to version 91.0.4472.164.

Vulnerable software versions

Google Chromium: 91.0.4472.0, 91.0.4472.1, 91.0.4472.2, 91.0.4472.3, 91.0.4472.4, 91.0.4472.5, 91.0.4472.6, 91.0.4472.7, 91.0.4472.8, 91.0.4472.9, 91.0.4472.10, 91.0.4472.11, 91.0.4472.12, 91.0.4472.13, 91.0.4472.14, 91.0.4472.15, 91.0.4472.16, 91.0.4472.17, 91.0.4472.18, 91.0.4472.19, 91.0.4472.20, 91.0.4472.21, 91.0.4472.22, 91.0.4472.23, 91.0.4472.24, 91.0.4472.25, 91.0.4472.26, 91.0.4472.27, 91.0.4472.28, 91.0.4472.29, 91.0.4472.30, 91.0.4472.31, 91.0.4472.32, 91.0.4472.33, 91.0.4472.34, 91.0.4472.35, 91.0.4472.37, 91.0.4472.38, 91.0.4472.46, 91.0.4472.47, 91.0.4472.48, 91.0.4472.49, 91.0.4472.50, 91.0.4472.51, 91.0.4472.52, 91.0.4472.53, 91.0.4472.54, 91.0.4472.56, 91.0.4472.57, 91.0.4472.60, 91.0.4472.61, 91.0.4472.62, 91.0.4472.63, 91.0.4472.64, 91.0.4472.65, 91.0.4472.66, 91.0.4472.67, 91.0.4472.68, 91.0.4472.69, 91.0.4472.70, 91.0.4472.71, 91.0.4472.72, 91.0.4472.77, 91.0.4472.101

CPE

External links
http://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html
http://crbug.com/1219630


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