CVE-2021-31462: 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 10.1.3.37598. 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-13572.
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 | >=10.0.0.0<=10.1.3.37598 | |
| Foxitsoftware 3d | >=10.0.0.0<=10.1.3.37598 | |
| Microsoft Windows | ||
| Foxit Reader |
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Reference Links
Frequently Asked Questions
What is CVE-2021-31462?
CVE-2021-31462 is a vulnerability that allows remote attackers to disclose sensitive information on affected installations of Foxit Reader 10.1.3.37598.
How can this vulnerability be exploited?
To exploit this vulnerability, the target must visit a malicious page or open a malicious file.
Which software versions are affected by CVE-2021-31462?
Foxit Reader versions 9.7.4.29600 and 10.0.0.0 to 10.1.3.37598, as well as PhantomPDF versions 9.7.4.29600 and 10.0.0.0 to 10.1.3.37598, are affected by this vulnerability.
What is the severity of CVE-2021-31462?
CVE-2021-31462 has a severity level of medium, with a CVSS score of 3.3.
How can I fix CVE-2021-31462?
To fix this vulnerability, update Foxit Reader and PhantomPDF to the latest version available.
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