#VU70221 Buffer overflow in Microsoft products - CVE-2022-44694

Vulnerability identifier: #VU70221

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: CVE-2022-44694

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office LTSC 2021
Other software / Other software solutions
Microsoft Office
Client/Desktop applications / Office applications
Microsoft 365 Apps for Enterprise
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

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

The vulnerability exists due to a boundary error when processing DWG files in Microsoft Visio. A remote attacker can create a specially crafted DWG file, trick the victim into opening it, 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 Office LTSC 2021: 32 bit editions - 64 bit editions

Microsoft Office: 2019

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

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-44694
https://www.zerodayinitiative.com/advisories/ZDI-22-1674/
https://www.zerodayinitiative.com/advisories/ZDI-22-1673/
https://www.zerodayinitiative.com/advisories/ZDI-22-1667/

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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.