CVE-2018-17703: Foxit Reader defaultStyle Use-After-Free Remote Code Execution Vulnerability
First published: Thu Jan 24 2019(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.2.0.9297. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of the defaultValue property of ComboBox objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-7253.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxit PhantomPDF | <=9.2.0.9297 | |
| Foxit Reader for Windows | <=9.2.0.9297 | |
| Microsoft Windows | ||
| Foxit PDF Reader |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-17703?
CVE-2018-17703 has a high severity rating due to the potential for remote code execution.
How do I fix CVE-2018-17703?
To mitigate CVE-2018-17703, upgrade Foxit Reader or PhantomPDF to version 9.2.1 or higher.
What types of installations are affected by CVE-2018-17703?
CVE-2018-17703 affects Foxit Reader and PhantomPDF versions up to and including 9.2.0.9297.
What is the attack vector for CVE-2018-17703?
CVE-2018-17703 can be exploited when a user opens a malicious file or visits a malicious web page.
Is user interaction necessary to exploit CVE-2018-17703?
Yes, CVE-2018-17703 requires user interaction to be successfully exploited.
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