CVE-2021-31444: Foxit Reader U3D File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information 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 embedded in PDF files. 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 object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-13241.
Other sources
This vulnerability allows remote attackers to disclose sensitive information 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 embedded in PDF files. 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 object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-31444?
CVE-2021-31444 is a vulnerability in Foxit Reader that allows remote attackers to disclose sensitive information.
How can this vulnerability be exploited?
This vulnerability can be exploited by visiting a malicious page or opening a malicious file.
Which versions of Foxit Reader are affected?
Foxit Reader version up to and including 10.1.3.37598 are affected.
Is user interaction required to exploit this vulnerability?
Yes, user interaction is required to exploit this vulnerability.
How severe is CVE-2021-31444?
CVE-2021-31444 has a severity value of 3.3 (Medium).