Tampering vulnerability in Microsoft Office Word

1) Input validation error

EUVDB-ID: #VU61180

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-24511

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to tampering issue in Microsoft Office Word. A remote attacker can bypass the target application

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Office: 2019 for Mac - 2019

Microsoft Word: 2013 RT Service Pack 1 - 2016

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

Microsoft Office LTSC: 32 bit editions - 2021 for Mac

CPE2.3

• cpe:2.3:a:microsoft:microsoft_office:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_word:2013_RT_Service_Pack_1:*:*:*:*:microsoft_office:*:*
• cpe:2.3:a:microsoft:microsoft_word:2013_Service_Pack_1:*:*:*:*:microsoft_office:*:*
• cpe:2.3:a:microsoft:microsoft_word:*:*:*:*:*:microsoft_office:*:*
• cpe:2.3:a:microsoft:microsoft_365_apps_for_enterprise:32-bit_Systems:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_365_apps_for_enterprise:64-bit_Systems:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_office_ltsc:32:bit editions:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_office_ltsc:64:bit editions:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_office_ltsc:2021:for Mac:*:*:*:*:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-24511

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.