CVE-2021-31471: 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-12955.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxitsoftware 3d | <=9.7.4.29600 | |
| Foxitsoftware 3d | <=9.7.4.29600 | |
| Foxitsoftware 3d | >=10.0<=10.0.1.37598 | |
| Foxitsoftware 3d | >=10.0<=10.0.1.37598 | |
| Microsoft Windows | ||
| Foxit Reader |
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Reference Links
Frequently Asked Questions
What is CVE-2021-31471?
CVE-2021-31471 is a vulnerability in Foxit Reader that allows remote attackers to disclose sensitive information.
How can remote attackers exploit CVE-2021-31471?
Remote attackers can exploit CVE-2021-31471 by tricking the target into visiting a malicious page or opening a malicious file.
Which versions of Foxit Reader are affected by CVE-2021-31471?
Foxit Reader versions up to and including 10.1.1.37576 are affected by CVE-2021-31471.
How can I protect myself from CVE-2021-31471?
To protect yourself from CVE-2021-31471, update to a version of Foxit Reader that is not susceptible to this vulnerability.
Where can I find more information about CVE-2021-31471?
You can find more information about CVE-2021-31471 on the Foxit Software support website and the Zero Day Initiative advisory page.
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