CVE-2019-6774: Foxit Reader AcroForm deleteItemAt Use-After-Free Remote Code Execution Vulnerability
First published: Fri Oct 04 2019(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected 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 deleteItemAt 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-8295.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxit PDF Reader | ||
| Foxit Reader | <=9.5.0.20723 | |
| Microsoft Windows Operating System | ||
| Foxit PhantomPDF | <=8.3.10.42705 | |
| Foxit PhantomPDF | >=9.0<=9.5.0.20723 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-6774?
CVE-2019-6774 is classified as a high severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2019-6774?
To fix CVE-2019-6774, update Foxit Reader to version 9.5.0.20723 or later.
What software is affected by CVE-2019-6774?
CVE-2019-6774 affects Foxit Reader versions up to 9.5.0.20723 and Foxit PhantomPDF versions up to 8.3.10.42705 and between 9.0 and 9.5.0.20723.
What kind of attack vector is associated with CVE-2019-6774?
CVE-2019-6774 can be exploited through user interaction by visiting a malicious page or opening a malicious file.
Is user interaction required to exploit CVE-2019-6774?
Yes, user interaction is required to exploit CVE-2019-6774.
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