CVE-2021-31472: Foxit Reader U3D File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Published May 7, 2021
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of U3D objects in PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13011.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of U3D objects in PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected Software

6 affected components
Foxit Reader
Foxitsoftware 3d Foxit Reader<=9.7.4.29600
Foxitsoftware 3d Phantompdf<=9.7.4.29600
Foxitsoftware 3d Foxit Reader>=10.0<=10.0.1.37598
Foxitsoftware 3d Phantompdf>=10.0<=10.0.1.37598
Microsoft Windows

Event History

May 7, 2021
CVE Published
via MITRE·08:16 PM
Data Sourced
via MITRE·08:16 PM
DescriptionSeverityWeakness
Feb 22, 2025
Advisory Published
via ZDI·04:31 AM
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Frequently Asked Questions

1

What is CVE-2021-31472?

CVE-2021-31472 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576.

2

How can the CVE-2021-31472 vulnerability be exploited?

The CVE-2021-31472 vulnerability can be exploited when the target visits a malicious page or opens a malicious file.

3

Which software versions are affected by CVE-2021-31472?

Foxit Reader versions 9.7.4.29600 and 10.0 up to 10.0.1.37598 are affected by CVE-2021-31472.

4

Is user interaction required to exploit CVE-2021-31472?

Yes, user interaction is required to exploit CVE-2021-31472.

5

What is the severity rating of CVE-2021-31472?

CVE-2021-31472 has a severity rating of 7.8, classified as high.

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