Vulnerability identifier: #VU15469

Vulnerability risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2018-17463

CWE-ID: CWE-843

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Google Chrome
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 a type confusion error when processing HTML content in Google Chromes JIT compiler. 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 70.0.3538.67.

Vulnerable software versions

Google Chrome: 67.0.3396.62 - 69.0.3497.100

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External links
http://chromereleases.googleblog.com/2018/10/stable-channel-update-for-desktop.html
http://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/chrome_object_create.rb
http://ssd-disclosure.com/archives/3783/ssd-advisory-chrome-type-confusion-in-jscreateobject-operation-to-rce

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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?

Yes. This vulnerability is being exploited in the wild.