CVE-2021-34951: Foxit PDF Reader Annotation Use of Uninitialized Variable Information Disclosure Vulnerability
Foxit PDF Reader Annotation Use of Uninitialized Variable 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 proper initialization of a pointer prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14395.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34951?
CVE-2021-34951 is classified as a medium severity vulnerability.
How do I fix CVE-2021-34951?
To mitigate CVE-2021-34951, users should update to the latest version of Foxit PDF Reader.
What type of vulnerability is CVE-2021-34951?
CVE-2021-34951 is an information disclosure vulnerability caused by the use of an uninitialized variable.
Is user interaction required to exploit CVE-2021-34951?
Yes, user interaction is required to exploit CVE-2021-34951.
What impact does CVE-2021-34951 have on Foxit PDF Reader?
CVE-2021-34951 allows remote attackers to potentially disclose sensitive information from affected installations of Foxit PDF Reader.