Remote code execution in Google Chrome

1) Use-after-free error

EUVDB-ID: #VU12396

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-6118

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The weakness exists due to use-after-free error in Media Cache. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Update to version 66.0.3359.139.

Vulnerable software versions

Google Chrome: 63.0.3239.132 - 66.0.3359.117

CPE2.3

• cpe:2.3:a:google:google_chrome:63.0.3239.132:*:*:*:*:*:*:*
• cpe:2.3:a:google:google_chrome:64.0.3282.119:*:*:*:*:*:*:*
• cpe:2.3:a:google:google_chrome:64.0.3282.140:*:*:*:*:*:*:*

External links

https://chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop_26.html

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.