Remote code execution in Google Chrome



Published: 2019-03-04 | Updated: 2019-03-06
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-5786
CWE-ID CWE-416
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
Subscribe 		Google Chrome
Client/Desktop applications / Web browsers

Vendor Google

Security Bulletin

This security bulletin contains information about 1 vulnerabilities.

UPDATE: 06.03.2019
The vulnerability risk was raised to "Critical" due to in the wild exploitation of the vulnerability according to Google update.

1) Use-after-free

EUVDB-ID: #VU17898

Risk: Critical

CVSSv3.1: 9.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2019-5786

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in FileReader. A remote attacker can trick the victim into opening a specially crafted file with Google Chrome, 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.

Note: the vulnerability is being exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Google Chrome: 70.0.3538.67 - 72.0.3626.119

External links

http://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html
http://github.com/AOSC-Dev/aosc-os-abbs/issues/1699


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?

Yes. This vulnerability is being exploited in the wild.



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