ZDI-21-345: Foxit PhantomPDF U3D File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PhantomPDF. 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 the severity of ZDI-21-345?
The severity of ZDI-21-345 is classified as critical due to its potential for remote code execution.
How do I fix ZDI-21-345?
To fix ZDI-21-345, update Foxit PhantomPDF to the latest version provided by Foxit Software.
What type of attacks can ZDI-21-345 facilitate?
ZDI-21-345 can facilitate attacks that result in the disclosure of sensitive information if a user interacts with malicious content.
What versions of Foxit PhantomPDF are affected by ZDI-21-345?
ZDI-21-345 affects certain versions of Foxit PhantomPDF prior to the security update that addresses this vulnerability.
Is user interaction required to exploit ZDI-21-345?
Yes, user interaction is required for ZDI-21-345 as the target must open a malicious file or visit a malicious page.