Multiple vulnerabilities in Microsoft Base3D

Published: 2020-10-13

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-16918 CVE-2020-17003
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Microsoft 365 Apps for Enterprise Client/Desktop applications / Office applications 3D Viewer Client/Desktop applications / Other client software
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU47617

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-2020-16918

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when the Base3D rendering engine improperly handles memory. A remote attacker can trigger memory corruption 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

Microsoft 365 Apps for Enterprise: 32-bit Systems - 64-bit Systems

3D Viewer: All versions

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16918

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 visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

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

2) Buffer overflow

EUVDB-ID: #VU47618