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 |
|---|---|---|
| Foxit Software PhantomPDF for Windows | ||
| Foxit PhantomPDF | <=9.3.0.10826 | |
| Foxit Reader for Windows | <=9.3.0.10826 | |
| Microsoft Windows | ||
| All of | ||
| Any of | ||
| Foxit PhantomPDF | <=9.3.0.10826 | |
| Foxit Reader | <=9.3.0.10826 | |
| Microsoft Windows |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-6734?
CVE-2019-6734 has a medium severity level due to its potential for sensitive information disclosure.
How do I fix CVE-2019-6734?
To fix CVE-2019-6734, you should update your Foxit PhantomPDF or Foxit Reader to the latest version beyond 9.3.0.10826.
Who is affected by CVE-2019-6734?
CVE-2019-6734 affects users of Foxit PhantomPDF and Foxit Reader with versions up to and including 9.3.0.10826.
Is user interaction required for CVE-2019-6734 exploitation?
Yes, user interaction is required for CVE-2019-6734, as the victim must visit a malicious page or open a malicious file.
What type of information could be disclosed due to CVE-2019-6734?
CVE-2019-6734 allows remote attackers to disclose sensitive information from vulnerable installations of Foxit software.
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