Multiple vulnerabilities in Microsoft 3D Viewer

Published: 2021-11-09

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-43209 CVE-2021-43208
CWE-ID	CWE-94
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	3D Viewer Client/Desktop applications / Other client software
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Code Injection

EUVDB-ID: #VU58020

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-2021-43209

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation 3D Viewer. A remote attacker can send a specially crafted request 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 vendor's website.

Vulnerable software versions

3D Viewer: All versions

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43209

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.

2) Code Injection

EUVDB-ID: #VU58021