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Vulnerability DatabaseCVE-2021-43875
CVE-2021-43875:
vulnerability analysis and mitigation
Overview
Microsoft Office Graphics Remote Code Execution Vulnerability (CVE-2021-43875) was identified and disclosed in December 2021. The vulnerability affects various Microsoft Office products including Microsoft 365 Apps Enterprise (x64 and x86), Microsoft Office 2019 (x64, x86, and macOS), and Microsoft Office 2021 LTSC (x64, x86, and macOS) (NVD).
Technical details
The vulnerability exists within the glTF-SDK component of Microsoft Word. The specific flaw stems from improper validation of user-supplied data, which can result in an integer overflow before writing to memory. The vulnerability has received a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (ZDI, NVD).
Impact
If successfully exploited, this vulnerability allows attackers to execute arbitrary code in the context of the current process. The attack requires user interaction, specifically the target must visit a malicious page or open a malicious file (ZDI).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. Users are advised to apply the available patches through the official Microsoft update channels (ZDI).
Additional resources
Source: This report was generated using AI
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