Vulnerability identifier: #VU74937
Vulnerability 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:
CWE-ID:
CWE-787
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Office for Mac
Client/Desktop applications /
Office applications
Microsoft 365 Apps for Enterprise
Client/Desktop applications /
Office applications
Microsoft Word
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 untrusted input in Microsoft Office Word. A remote attacker can create a specially crafted DOCX file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Office for Mac: 16.33 20011301 - 2019
Microsoft 365 Apps for Enterprise:
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-28311
http://www.zerodayinitiative.com/advisories/ZDI-23-384/
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.