CVE-2021-31452: Foxit Reader XFA Form Out-Of-Bounds Write Remote Code Execution Vulnerability
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.
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 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.
Affected Software
Event History
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.