CVE-2021-31468: Foxit Reader U3D File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

Published May 7, 2021
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.3.37598. 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 files embedded in PDF documents. The issue results from the lack of proper validation of user-supplied data, which can result in a read 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-13620.

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 files embedded in PDF documents. The issue results from the lack of proper validation of user-supplied data, which can result in a read 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>=10.0.0.0<=10.1.3.37598
Foxitsoftware 3d Phantompdf>=10.0.0.0<=10.1.3.37598
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 the severity of CVE-2021-31468?

The severity of CVE-2021-31468 is high with a CVSS score of 7.8.

2

How can remote attackers exploit CVE-2021-31468?

Remote attackers can exploit CVE-2021-31468 by getting the target to visit a malicious page or open a malicious file.

3

What software versions are affected by CVE-2021-31468?

Foxit Reader versions 9.7.4.29600 up to and including 10.1.3.37598 are affected by CVE-2021-31468.

4

Is Microsoft Windows affected by CVE-2021-31468?

No, Microsoft Windows is not affected by CVE-2021-31468.

5

Where can I find more information about CVE-2021-31468?

You can find more information about CVE-2021-31468 in the Foxit Software security bulletins and the Zero Day Initiative advisories.

Contact

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