high
7.8
CWE
416
Advisory Published
Updated
Advisory Published

CVE-2023-42091: Foxit PDF Reader XFA Doc Object Use-After-Free Remote Code Execution Vulnerability

First published: Fri May 03 2024(Updated: )

Foxit PDF Reader XFA Doc Object Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. 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 Doc 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-21601.

Credit: zdi-disclosures@trendmicro.com

Affected SoftwareAffected VersionHow to fix
Foxit Reader
Foxit PDF Editor for Mac<=10.1.12.37872
Foxit PDF Editor for Mac>=11.0.0<=11.2.7.53812
Foxit PDF Editor for Mac>=12.0.0<=12.1.3.15356
Foxit PDF Editor for Mac=2023.1.0.15510
Foxit Reader<=12.1.3.15356

Remedy

https://www.foxit.com/support/security-bulletins.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-42091?

    CVE-2023-42091 is classified as a critical vulnerability due to its potential for remote code execution.

  • How do I fix CVE-2023-42091?

    To mitigate CVE-2023-42091, users should update to the latest version of Foxit PDF Reader or Foxit PhantomPDF that addresses this vulnerability.

  • What products are affected by CVE-2023-42091?

    CVE-2023-42091 affects several versions of Foxit PDF Reader and Foxit PhantomPDF, specifically those before the latest patch.

  • What exploitation method is used in CVE-2023-42091?

    CVE-2023-42091 is exploited through a use-after-free vulnerability requiring user interaction with malicious PDF files.

  • Is user interaction required to exploit CVE-2023-42091?

    Yes, user interaction is required as the target must open a specially crafted PDF document to trigger the vulnerability.

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