CVE-2021-34972: Foxit PDF Reader AcroForm Use-After-Free Information Disclosure Vulnerability
Foxit PDF Reader AcroForm 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 processing of 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 arbitrary code in the context of the current process. Was ZDI-CAN-14975.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34972?
The severity of CVE-2021-34972 is classified as high due to its potential for sensitive information disclosure.
How do I fix CVE-2021-34972?
To fix CVE-2021-34972, update to the latest version of Foxit PDF Reader that addresses this vulnerability.
What type of vulnerability is CVE-2021-34972?
CVE-2021-34972 is a use-after-free vulnerability that can lead to information disclosure.
Is user interaction required to exploit CVE-2021-34972?
Yes, user interaction is required to exploit CVE-2021-34972, as the attacker must convince the user to open a malicious PDF.
Which software is affected by CVE-2021-34972?
CVE-2021-34972 affects Foxit PDF Reader on affected installations.