CVE-2021-31452: Foxit Reader XFA Form Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Fri May 07 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 XFA forms. 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-13091.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxitsoftware Foxit Reader | <=10.1.3.37598 | |
| Foxitsoftware Phantompdf | <=9.7.5.29616 | |
| Foxitsoftware Phantompdf | >=10.0.0.0<=10.1.3.37598 | |
| Microsoft Windows |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-31452?
The severity of CVE-2021-31452 is high with a CVSS score of 7.8.
Which software is affected by CVE-2021-31452?
Foxit Reader versions up to and including 10.1.3.37598 and Foxit PhantomPDF versions up to and including 9.7.5.29616 and versions between 10.0.0.0 and 10.1.3.37598 are affected by CVE-2021-31452.
How can CVE-2021-31452 be exploited?
CVE-2021-31452 can be exploited by remote attackers through the target visiting a malicious page or opening a malicious file.
Is user interaction required to exploit CVE-2021-31452?
Yes, user interaction is required to exploit CVE-2021-31452.
Where can I find more information about CVE-2021-31452?
You can find more information about CVE-2021-31452 in the security bulletins on the Foxit Software website and the advisory on the Zero Day Initiative website.
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