low
3.3
CWE
416
Advisory Published
Updated
Advisory Published

CVE-2023-42093: Foxit PDF Reader Annotation Use-After-Free Information Disclosure Vulnerability

First published: Fri May 03 2024(Updated: )

Foxit PDF Reader Annotation Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 Annotation 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-21869.

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-2023-42093?

    CVE-2023-42093 is classified as a use-after-free vulnerability which could lead to information disclosure.

  • How do I fix CVE-2023-42093?

    To fix CVE-2023-42093, users should update their Foxit PDF Reader or PhantomPDF to the latest version that addresses the vulnerability.

  • What versions of Foxit PDF Reader are affected by CVE-2023-42093?

    CVE-2023-42093 affects Foxit PDF Reader versions up to 12.1.3.15356 and various versions of Foxit PhantomPDF.

  • Is user interaction required for exploiting CVE-2023-42093?

    Yes, user interaction is required to exploit CVE-2023-42093 as it involves opening a malicious PDF file.

  • What kind of information can be disclosed due to CVE-2023-42093?

    CVE-2023-42093 allows remote attackers to disclose sensitive information from the affected installations of Foxit PDF Reader.

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