Microsoft update for Adobe Flash Player (October 2020)

1) NULL pointer dereference

EUVDB-ID: #VU47542

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-2020-9746

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error when processing .SWF content. A remote attacker can create a specially crafted .swf file, trick the victim into playing it, trigger a NULL pointer dereference error and execute arbitrary code on the system.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player for Microsoft Windows: on Windows RT 8.1 - on Windows 10 Version 2004 for 32-bit Systems

CPE2.3

• cpe:2.3:a:microsoft:adobe_flash_player:on Windows RT 8.1:*:*:*:*:adobe_flash_player:*:*
• cpe:2.3:a:microsoft:adobe_flash_player:on Windows Server 2012:*:*:*:*:adobe_flash_player:*:*
• cpe:2.3:a:microsoft:adobe_flash_player:on Windows Server 2012 R2:*:*:*:*:adobe_flash_player:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200012

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.