Remote code execution in Google Chrome for Android

1) Heap-based buffer overflow

EUVDB-ID: #VU48097

Risk: Critical

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-2020-16010

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a heap-based buffer overflow when processing untrusted HTML content in UI in Google Chrome on Android. An remote attacker, who had compromised the renderer process, can  perform a sandbox escape via a crafted HTML page.

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

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Chrome for Android: 80.0.3987.132 - 86.0.4240.114

External links

http://chromereleases.googleblog.com/2020/11/chrome-for-android-update.html
http://crbug.com/1144368

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 perform certain actions on the device.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.