Microsoft February 2020 update for Adobe Flash Player

1) Type Confusion

EUVDB-ID: #VU25130

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3757

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

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 Flash content. A remote attacker can create a specially crafted .swf file, trick the victim into playing 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

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player for Microsoft Windows: on Windows 8.1 for 32-bit systems - on Windows Server 2019

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200003

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?

No. We are not aware of malware exploiting this vulnerability.