CVE-2018-3961: Use After Free
First published: Tue Oct 02 2018(Updated: )
A use-after-free vulnerability exists in the JavaScript engine of Foxit Software's Foxit PDF Reader version 9.1.0.5096. A use-after-free condition can occur when accessing the Creator property of the this.info object. 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-2018-3961?
CVE-2018-3961 has a high severity rating due to the potential for exploitation via malicious PDF files.
How do I fix CVE-2018-3961?
To fix CVE-2018-3961, upgrade to Foxit PDF Reader version 9.2.0.9297 or later.
What type of vulnerability is CVE-2018-3961?
CVE-2018-3961 is categorized as a use-after-free vulnerability in the JavaScript engine of Foxit PDF Reader.
What products are affected by CVE-2018-3961?
CVE-2018-3961 affects Foxit PDF Reader versions prior to 9.2.0.9297 and Foxit PhantomPDF versions prior to 9.2.0.9297.
What could an attacker achieve through CVE-2018-3961?
An attacker could potentially execute arbitrary code on a victim’s system by exploiting CVE-2018-3961 via a specially crafted PDF file.
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- vendor/foxitsoftware
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- version/foxit phantompdf/9.2.0.9297
- canonical/foxit reader for windows
- version/foxit reader for windows/9.2.0.9297
- vendor/microsoft
- canonical/microsoft windows