ZDI-21-552: 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. 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 | Affected Version | How to fix |
|---|---|---|
| Foxit PDF Reader |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-552?
The severity of ZDI-21-552 is classified as high due to its potential for sensitive information disclosure.
How do I fix ZDI-21-552?
To fix ZDI-21-552, update Foxit Reader to the latest version provided by the vendor.
What types of attacks can exploit ZDI-21-552?
ZDI-21-552 can be exploited through malicious web pages or files that require user interaction.
Who is affected by ZDI-21-552?
Users of Foxit Reader are affected by the ZDI-21-552 vulnerability.
Is user interaction required for ZDI-21-552 exploitation?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file.
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