CVE-2019-6763: Foxit Reader FoxitReaderCtl ToggleFormsDesign Use-After-Free Remote Code Execution Vulnerability
First published: Mon Jun 03 2019(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.4.1.16828. 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 ToggleFormsDesign method of the Foxit.FoxitReader.Ctl ActiveX object. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-7874.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxit Reader | <=9.4.1.16828 | |
| Foxit PhantomPDF | <=8.3.9.41099 | |
| Foxit PhantomPDF | >=9.0.0<=9.4.1.16828 | |
| Microsoft Windows | ||
| Foxit PDF Reader |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-6763?
CVE-2019-6763 is classified as a critical vulnerability that allows remote code execution on affected Foxit software.
How do I fix CVE-2019-6763?
To fix CVE-2019-6763, update your Foxit Reader to the latest version beyond 9.4.1.16828.
What products are affected by CVE-2019-6763?
CVE-2019-6763 affects Foxit Reader versions up to 9.4.1.16828 and Foxit PhantomPDF versions up to 8.3.9.41099 and between 9.0.0 and 9.4.1.16828.
What type of attack does CVE-2019-6763 enable?
CVE-2019-6763 enables remote attackers to execute arbitrary code by tricking users into visiting a malicious page or opening a malicious file.
Is user interaction required to exploit CVE-2019-6763?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file to exploit CVE-2019-6763.
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