8.8
CWE
416
Advisory Published
Updated

CVE-2018-3942: 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 PDF Reader, version 9.1.0.5096. 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.

Credit: talos-cna@cisco.com

Affected SoftwareAffected VersionHow to fix
Foxit PhantomPDF<=9.2.0.9297
Foxit Reader for Windows<=9.2.0.9297
Microsoft Windows

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Frequently Asked Questions

  • What is the severity of CVE-2018-3942?

    CVE-2018-3942 is considered critical due to its potential for arbitrary code execution.

  • How do I fix CVE-2018-3942?

    To fix CVE-2018-3942, update Foxit PDF Reader or PhantomPDF to version 9.2.0.9297 or later.

  • What software is affected by CVE-2018-3942?

    CVE-2018-3942 affects Foxit Reader and Foxit PhantomPDF versions up to 9.2.0.9297.

  • What type of vulnerability is CVE-2018-3942?

    CVE-2018-3942 is a use-after-free vulnerability exploit in the JavaScript engine of Foxit PDF software.

  • Can CVE-2018-3942 be exploited remotely?

    Yes, CVE-2018-3942 can be exploited by tricking a user into opening a specially crafted PDF document.

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