Remote code execution in Microsoft Office Graphics



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-33149
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Microsoft Office
Client/Desktop applications / Office applications

Microsoft 365 Apps for Enterprise
Client/Desktop applications / Office applications

Microsoft Office LTSC 2021
Other software / Other software solutions

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU78071

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-2023-33149

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the Microsoft Office Graphics. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Office: 2013 RT Service Pack 1 - 2019

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

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

CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-33149


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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