Remote code execution in Adobe Flash Player

1) Use-after-free

EUVDB-ID: #VU10355

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-2018-4878

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

Description

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

The vulnerability exists due to a use-after-free error when processing .swf files. A remote attacker can execute arbitrary code on the target system.

Note: this vulnerability is being actively exploited in the wild against the latest version of Adobe Flash Player.

UPDATE: The vendor has issued the fixed version on February 6, 2018.

Mitigation

Update to version 28.0.0.161.

Vulnerable software versions

Adobe Flash Player: 25.0.0.148 - 28.0.0.137

External links

http://helpx.adobe.com/security/products/flash-player/apsa18-01.html
http://helpx.adobe.com/security/products/flash-player/apsb18-03.html

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.