CVE-2018-17642: Foxit Reader XFA TimeField colSpan 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 colSpan property of a TimeField. 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-6479.
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-2018-17642?
CVE-2018-17642 is classified as a critical vulnerability due to its potential to allow remote code execution.
How do I fix CVE-2018-17642?
To fix CVE-2018-17642, update Foxit Reader to a version later than 9.2.0.9297.
What software is affected by CVE-2018-17642?
CVE-2018-17642 affects Foxit Reader versions up to and including 9.2.0.9297.
Is user interaction required to exploit CVE-2018-17642?
Yes, user interaction is required to exploit CVE-2018-17642, as the target must open a malicious file or visit a malicious page.
Can CVE-2018-17642 affect operating systems other than Windows?
No, CVE-2018-17642 specifically affects Foxit Reader and PhantomPDF on Windows operating systems.
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