CVE-2019-6734: Foxit PhantomPDF setInterval Use-After-Free Information Disclosure Vulnerability

First published: Tue Mar 19 2019(Updated: )

This vulnerability allows remote attackers to disclose sensitive information on vulnerable 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 the setInterval method. By performing actions in JavaScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

Credit: zdi-disclosures@trendmicro.com zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Foxitsoftware Phantompdf	<=9.3.0.10826
Foxitsoftware Reader	<=9.3.0.10826
Microsoft Windows
Foxit PhantomPDF
All of
Any of
Foxitsoftware Phantompdf	<=9.3.0.10826
Foxitsoftware Reader	<=9.3.0.10826
Microsoft Windows

Remedy

https://www.foxitsoftware.com/support/security-bulletins.php

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