CVE-2021-34974: Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Foxit PDF Reader Annotation 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 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 vulnerability to execute code in the context of the current process. Was ZDI-CAN-15167.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34974?
CVE-2021-34974 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2021-34974?
To fix CVE-2021-34974, update your Foxit PDF Reader to the latest version that includes the security patch.
What types of attacks can be executed using CVE-2021-34974?
CVE-2021-34974 allows attackers to execute arbitrary code on affected installations of Foxit PDF Reader.
Is user interaction required to exploit CVE-2021-34974?
Yes, user interaction is required as the target must open a specially crafted PDF file to exploit CVE-2021-34974.
Which software is affected by CVE-2021-34974?
CVE-2021-34974 affects Foxit PDF Reader installations that have not been updated to the latest security patch.