What is the severity of CVE-2018-17621?

CVE-2018-17621 has a high severity rating due to its ability to allow remote code execution on vulnerable systems.

How do I fix CVE-2018-17621?

To fix CVE-2018-17621, upgrade Foxit Reader to version 9.1.0.5096 or later.

What type of attack does CVE-2018-17621 enable?

CVE-2018-17621 allows remote attackers to execute arbitrary code by enticing users to visit a malicious page or open a harmful file.

Which versions of Foxit Reader are affected by CVE-2018-17621?

CVE-2018-17621 affects Foxit Reader versions up to and including 9.0.1.5096.

Vulnerability/
CVE-2018-17621

high

8.8

CWE

416

29/10/2018

5/8/2024

CVE-2018-17621: Use After Free

Q: Is user interaction required to exploit CVE-2018-17621?

Yes, user interaction is required as the target must visit a malicious page or open a malicious file for CVE-2018-17621 to be exploited.

First published: Mon Oct 29 2018(Updated: )

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. 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 Format events. 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-6355.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Foxit Reader for Windows	<=9.1.0.5096
Microsoft Windows

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Frequently Asked Questions

What is the severity of CVE-2018-17621?
CVE-2018-17621 has a high severity rating due to its ability to allow remote code execution on vulnerable systems.
How do I fix CVE-2018-17621?
To fix CVE-2018-17621, upgrade Foxit Reader to version 9.1.0.5096 or later.
What type of attack does CVE-2018-17621 enable?
CVE-2018-17621 allows remote attackers to execute arbitrary code by enticing users to visit a malicious page or open a harmful file.
Which versions of Foxit Reader are affected by CVE-2018-17621?
CVE-2018-17621 affects Foxit Reader versions up to and including 9.0.1.5096.
Is user interaction required to exploit CVE-2018-17621?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file for CVE-2018-17621 to be exploited.

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vendor/foxitsoftware
canonical/foxit reader for windows
version/foxit reader for windows/9.1.0.5096
vendor/microsoft
canonical/microsoft windows

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