CVE-2018-3994: Use After Free
First published: Wed Oct 03 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-2018-3994?
CVE-2018-3994 has a medium severity level due to its potential for arbitrary code execution.
How do I fix CVE-2018-3994?
To fix CVE-2018-3994, update Foxit PDF Reader or Foxit PhantomPDF to the latest version beyond 9.2.0.9297.
What types of software are affected by CVE-2018-3994?
CVE-2018-3994 affects Foxit PDF Reader and Foxit PhantomPDF versions up to and including 9.2.0.9297.
Can CVE-2018-3994 lead to remote attacks?
Yes, CVE-2018-3994 can allow attackers to execute arbitrary code through maliciously crafted PDF documents.
What is the impact of exploiting CVE-2018-3994?
Exploiting CVE-2018-3994 can lead to unauthorized actions or access on the affected system due to arbitrary code execution.
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- canonical/microsoft windows