CVE-2018-3997: Use After Free
First published: Mon Oct 08 2018(Updated: )
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's Foxit PDF Reader, version 9.2.0.9297. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxit PhantomPDF | <=9.2.0.9297 | |
| Foxit Reader for Windows | <=9.2.0.9297 | |
| Microsoft Windows |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-3997?
CVE-2018-3997 is considered high severity due to its ability to allow arbitrary code execution.
How do I fix CVE-2018-3997?
To fix CVE-2018-3997, users should update Foxit PDF Reader to version 9.2.1.1015 or later.
Which versions of Foxit software are affected by CVE-2018-3997?
CVE-2018-3997 affects Foxit PDF Reader and PhantomPDF versions up to and including 9.2.0.9297.
Can CVE-2018-3997 lead to system compromise?
Yes, CVE-2018-3997 can lead to system compromise through exploitation of the use-after-free vulnerability.
What type of vulnerability is CVE-2018-3997?
CVE-2018-3997 is a use-after-free vulnerability in the JavaScript engine of Foxit PDF Reader.
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