#VU61144 Out-of-bounds write


Published: 2022-03-08 | Updated: 2022-03-09

Vulnerability identifier: #VU61144

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2022-24461

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Office
Client/Desktop applications / Office applications
Microsoft 365 Apps for Enterprise
Client/Desktop applications / Other client software
Microsoft Office LTSC 2021
Other software / Other software solutions

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing EMR_COMMENT_EMFPLUS records in EMF images. A remote attacker can create a specially crafted 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 Office: 2019

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

Microsoft Office LTSC 2021: 32 bit editions - 64 bit editions


CPE

External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-24461
http://www.zerodayinitiative.com/advisories/ZDI-22-500/


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


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