#VU70174 Out-of-bounds write in Microsoft 365 Apps for Enterprise - CVE-2022-47212

Vulnerability identifier: #VU70174

Vulnerability 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-2022-47212

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft 365 Apps for Enterprise
Client/Desktop applications / Office applications

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing SKP files. A remote attacker can create a specially crafted SKP file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft 365 Apps for Enterprise: before 16.0.14326.21248, 16.0.14931.20858, 16.0.15601.20378, 16.0.15629.20298, 16.0.15726.20262, 16.0.15831.20208, 16.0.14326.21248

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-47212
https://www.zerodayinitiative.com/advisories/ZDI-22-1676/

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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.