3.3
Advisory Published

ZDI-19-444: Foxit Reader AcroForm resetForm Use-After-Free Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit 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 resetForm method when processing AcroForms. 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 code in the context of the current process.

Affected SoftwareAffected VersionHow to fix
Foxit PDF Reader

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Frequently Asked Questions

  • What is the severity of ZDI-19-444?

    The severity of ZDI-19-444 is considered to be high due to the potential for sensitive information disclosure.

  • How do I fix ZDI-19-444?

    To fix ZDI-19-444, ensure you update to the latest version of Foxit Reader that includes the security patch addressing this vulnerability.

  • Who is affected by ZDI-19-444?

    ZDI-19-444 affects users of vulnerable versions of Foxit Reader.

  • What type of attack can be executed using ZDI-19-444?

    ZDI-19-444 can be exploited by remote attackers to disclose sensitive information through user interaction with a malicious page or file.

  • Is user interaction required to exploit ZDI-19-444?

    Yes, user interaction is required to exploit ZDI-19-444, as the target must visit a malicious page or open a malicious file.

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