#VU47360 Use-after-free


Published: 2020-10-07 | Updated: 2020-10-20

Vulnerability identifier: #VU47360

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-2020-15969

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

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

Vendor: Google, Inc.

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the usersctp library. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger 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
Update to version 86.0.4240.75.

Vulnerable software versions

Google Chrome: 83.0.4103.97, 83.0.4103.106, 83.0.4103.116, 84.0.4147.89, 84.0.4147.105, 84.0.4147.125, 84.0.4147.135, 85.0.4183.83, 85.0.4183.102, 85.0.4183.121

CPE

External links
http://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.html
http://crbug.com/1124659


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