#VU27118 Input validation error in Microsoft Office

Vulnerability identifier: #VU27118

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/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: N/A

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to compromise the affected system

Multiple vulnerabilities exists due to improper input validation when processing 3D content within the Autodesk FBX library, used by Microsoft Office and Microsoft 3D Paint. A remote attacker can trick the victim into opening a specially crafted file, trigger memory corruption and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Office: 365 ProPlus, 2016, 2019

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV200004
https://www.autodesk.com/trust/security-advisories/adsk-sa-2020-0002

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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.