Multiple vulnerabilities in Google Chrome

Published: 2020-05-05 | Updated: 2021-07-01

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-6831 CVE-2020-6464
CWE-ID	CWE-119 CWE-843
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Google Chrome Client/Desktop applications / Web browsers
Vendor	Google

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU27532

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-2020-6831

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when processing SCTP chunks in WebRTC. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Chrome: before 81.0.4044.138

External links

http://chromereleases.googleblog.com/2020/05/stable-channel-update-for-desktop.html
http://crbug.com/1073602

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Type Confusion

EUVDB-ID: #VU27550