CVE-2021-31447: Foxit Reader U3D File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
First published: Fri May 07 2021(Updated: )
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-13269.
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 | ||
| Foxit Reader |
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Reference Links
Frequently Asked Questions
What is CVE-2021-31447?
CVE-2021-31447 is a vulnerability in Foxit Reader that allows remote attackers to disclose sensitive information.
How does CVE-2021-31447 work?
CVE-2021-31447 works by exploiting a flaw in the U3D file parsing functionality of Foxit Reader, allowing remote attackers to access sensitive information.
What is the severity of CVE-2021-31447?
CVE-2021-31447 has a severity rating of medium, with a CVSS score of 3.3.
Which versions of Foxit Reader are affected by CVE-2021-31447?
Foxit Reader versions up to and including 10.1.3.37598 are affected by CVE-2021-31447.
How can I fix CVE-2021-31447?
To fix CVE-2021-31447, update your Foxit Reader to version 10.1.4 or later.
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