#VU58549 Integer underflow


Published: 2021-12-06 | Updated: 2021-12-10

Vulnerability identifier: #VU58549

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-2021-4066

CWE-ID: CWE-191

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 execute arbitrary code on the target system.

The vulnerability exists due to integer underflow. A remote attacker can send a specially crafted request to the affected application, trigger integer underflow 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 96.0.4664.93.

Vulnerable software versions

Google Chromium: 96.0.4664.0 - 96.0.4664.92


CPE

External links
http://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.html
http://crbug.com/1274499
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4066


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