CVE-2021-34967: Foxit PDF Editor Line Annotation Use-After-Free Remote Code Execution Vulnerability
Foxit PDF Editor Line 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-14368.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34967?
CVE-2021-34967 has been rated as a critical severity vulnerability due to its potential to allow remote code execution.
How do I fix CVE-2021-34967?
To fix CVE-2021-34967, users should update their Foxit PDF Editor to the latest version provided by the vendor.
What type of vulnerability is CVE-2021-34967?
CVE-2021-34967 is a use-after-free vulnerability that can be exploited to execute arbitrary code.
What are the attack vectors for CVE-2021-34967?
CVE-2021-34967 requires user interaction, meaning an attacker must trick the user into opening a malicious PDF file.
Which software is affected by CVE-2021-34967?
CVE-2021-34967 affects installations of Foxit PDF Editor, specifically Foxit PhantomPDF for Windows.