CVE-2018-3957: 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 Keywords 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-2018-3957?
CVE-2018-3957 is classified as a high-severity vulnerability due to the potential for exploitation leading to arbitrary code execution.
How do I fix CVE-2018-3957?
To fix CVE-2018-3957, upgrade to Foxit PDF Reader or PhantomPDF version 9.2.0.9297 or later.
Who is impacted by CVE-2018-3957?
CVE-2018-3957 affects users of Foxit PDF Reader and Foxit PhantomPDF versions up to 9.2.0.9297 on Windows.
What types of attacks can exploit CVE-2018-3957?
CVE-2018-3957 can be exploited through crafted PDF files that trigger the use-after-free condition when opened by the user.
Is CVE-2018-3957 a network vulnerability?
CVE-2018-3957 is not a network vulnerability but rather a client-side vulnerability that requires user interaction to exploit.
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