CVE-2019-6772: Foxit Reader AcroForm removeField Use-After-Free Information Disclosure Vulnerability
First published: Mon Jun 03 2019(Updated: )
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 2019.010.20098. 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 in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-8231.
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-2019-6772?
CVE-2019-6772 is classified as a medium severity vulnerability.
How do I fix CVE-2019-6772?
To fix CVE-2019-6772, users should update Foxit Reader or PhantomPDF to a version later than 9.4.1.16828.
What type of attack can exploit CVE-2019-6772?
CVE-2019-6772 can be exploited through social engineering methods where users are tricked into visiting a malicious page or opening a malicious file.
Which software versions are affected by CVE-2019-6772?
CVE-2019-6772 affects Foxit Reader versions up to 9.4.1.16828 and Foxit PhantomPDF versions up to 8.3.9.41099 and from 9.0.0 to 9.4.1.16828.
Does CVE-2019-6772 require user interaction to be exploited?
Yes, CVE-2019-6772 requires user interaction either by visiting a malicious page or opening a malicious file.
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