Remote code execution in Microsoft PowerPoint

1) Use-after-free

EUVDB-ID: #VU67265

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-2022-37962

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing PPTX files. A remote attacker can trick the victim to open a specially crafted PPTX file, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Office LTSC 2021: 32 bit editions - 2021 for Mac

Microsoft Office: 2013 RT Service Pack 1 - 2019 for Mac

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

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-37962
http://www.zerodayinitiative.com/advisories/ZDI-22-1286/

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.