CVE-2021-34969: Foxit PDF Reader Annotation Use-After-Free Information Disclosure Vulnerability
Foxit PDF Reader Annotation 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 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14622.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34969?
CVE-2021-34969 has been rated as having a medium severity level.
How do I fix CVE-2021-34969?
To fix CVE-2021-34969, update Foxit PDF Reader to the latest version available from the official website.
What type of attack does CVE-2021-34969 facilitate?
CVE-2021-34969 facilitates a use-after-free vulnerability that allows remote attackers to disclose sensitive information.
Is user interaction required to exploit CVE-2021-34969?
Yes, user interaction is required to exploit the CVE-2021-34969 vulnerability.
Which versions of Foxit PDF Reader are affected by CVE-2021-34969?
CVE-2021-34969 affects specific versions of Foxit PDF Reader that have not been patched.