What is the severity of CVE-2018-3956?

CVE-2018-3956 has been classified as a high severity vulnerability due to potential sensitive data exposure.

How do I fix CVE-2018-3956?

To fix CVE-2018-3956, update Foxit Software's PDF Reader or PhantomPDF to version 9.3.0.10826 or later.

What types of systems are affected by CVE-2018-3956?

CVE-2018-3956 affects Foxit Reader and PhantomPDF versions up to and including 9.3.0.10826 on Windows.

What happens if I open a malicious PDF file related to CVE-2018-3956?

Opening a malicious PDF file can trigger an out-of-bounds read, potentially disclosing sensitive memory content.

Is CVE-2018-3956 a persistent threat?

CVE-2018-3956 is not a persistent threat but can be exploited through specially crafted PDF documents.

Vulnerability/
CVE-2018-3956

high

7.1

CWE

125

30/1/2019

16/9/2024

CVE-2018-3956

First published: Wed Jan 30 2019(Updated: )

An exploitable out-of-bounds read vulnerability exists in the handling of certain XFA element attributes of Foxit Software's PDF Reader version 9.1.0.5096. A specially crafted PDF document can trigger an out-of-bounds read, which can disclose sensitive memory content and aid in exploitation when coupled with another vulnerability. 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	<=9.3.0.10826
Foxit Reader for Windows	<=9.3.0.10826
Microsoft Windows

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Reference Links

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0626

Frequently Asked Questions

What is the severity of CVE-2018-3956?
CVE-2018-3956 has been classified as a high severity vulnerability due to potential sensitive data exposure.
How do I fix CVE-2018-3956?
To fix CVE-2018-3956, update Foxit Software's PDF Reader or PhantomPDF to version 9.3.0.10826 or later.
What types of systems are affected by CVE-2018-3956?
CVE-2018-3956 affects Foxit Reader and PhantomPDF versions up to and including 9.3.0.10826 on Windows.
What happens if I open a malicious PDF file related to CVE-2018-3956?
Opening a malicious PDF file can trigger an out-of-bounds read, potentially disclosing sensitive memory content.
Is CVE-2018-3956 a persistent threat?
CVE-2018-3956 is not a persistent threat but can be exploited through specially crafted PDF documents.

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agent/softwarecombine
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agent/software-canonical-lookup-request
vendor/foxitsoftware
canonical/foxit phantompdf
version/foxit phantompdf/9.3.0.10826
canonical/foxit reader for windows
version/foxit reader for windows/9.3.0.10826
vendor/microsoft
canonical/microsoft windows

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