CVE-2018-3959: 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 Author 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-2018-3959?
CVE-2018-3959 has a severity rating of high due to the use-after-free vulnerability that could potentially allow arbitrary code execution.
How do I fix CVE-2018-3959?
To fix CVE-2018-3959, upgrade to Foxit PDF Reader or PhantomPDF version 9.2.0.9297 or later.
What products are impacted by CVE-2018-3959?
CVE-2018-3959 affects Foxit PDF Reader and Foxit PhantomPDF versions up to 9.2.0.9297.
Can CVE-2018-3959 be exploited remotely?
Yes, CVE-2018-3959 can be exploited remotely if a user opens a crafted PDF file.
What is the cause of CVE-2018-3959?
CVE-2018-3959 is caused by a use-after-free condition in the JavaScript engine when accessing the Author property of the this.info object.
- agent/type
- agent/references
- agent/author
- agent/remedy
- agent/description
- agent/severity
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/weakness
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/foxitsoftware
- canonical/foxit phantompdf
- 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