CVE-2019-6769: Foxit Reader AcroForm removeField 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 removeField method when processing AcroForms. 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-8165.
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-2019-6769?
CVE-2019-6769 has a high severity rating due to its potential to allow remote code execution.
How do I fix CVE-2019-6769?
To fix CVE-2019-6769, update to the latest version of Foxit Reader or Foxit PhantomPDF that is not affected by this vulnerability.
What software is affected by CVE-2019-6769?
CVE-2019-6769 affects Foxit Reader versions up to 9.4.1.16828 and Foxit PhantomPDF versions up to 8.3.9.41099 as well as certain versions between 9.0.0 and 9.4.1.16828.
What type of attack exploits CVE-2019-6769?
CVE-2019-6769 can be exploited through social engineering by getting the user to visit a malicious webpage or open a compromised file.
Is user interaction required to exploit CVE-2019-6769?
Yes, user interaction is required, as the victim must initiate the exploit by visiting a malicious page or opening a malicious document.
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