Multiple vulnerabilities in Google Chrome

Published: 2020-04-28

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-6462 CVE-2020-6461
CWE-ID	CWE-416
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) Use-after-free

EUVDB-ID: #VU27372

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-2020-6462

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in task scheduling. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Chrome: 80.0.3987.106 - 81.0.4044.122

External links

http://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_27.html
http://bugs.chromium.org/p/chromium/issues/detail?id=1064891

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) Use-after-free

EUVDB-ID: #VU27373