CVE-2021-34961: Foxit PDF Editor Ink Annotation Use-After-Free Remote Code Execution Vulnerability
Foxit PDF Editor Ink Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. 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-14363.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34961?
CVE-2021-34961 is rated as critical due to its potential for remote code execution.
How do I fix CVE-2021-34961?
To fix CVE-2021-34961, update Foxit PDF Editor to the latest version where the vulnerability has been patched.
What does CVE-2021-34961 affect?
CVE-2021-34961 affects Foxit PDF Editor, specifically the Ink Annotation feature.
How can CVE-2021-34961 be exploited?
CVE-2021-34961 can be exploited by an attacker through a crafted PDF file that requires user interaction.
What are the consequences of CVE-2021-34961?
Exploitation of CVE-2021-34961 can lead to unauthorized remote code execution on the affected systems.