CVE-2021-34949: Foxit PDF Reader Annotation Out-Of-Bounds Read Information Disclosure Vulnerability
Foxit PDF Reader Annotation Out-Of-Bounds Read 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 validation of user-supplied data, which can result in a read past the end of an allocated 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-14273.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-34949?
CVE-2021-34949 is categorized as a medium severity vulnerability due to the potential for information disclosure.
How do I fix CVE-2021-34949?
To mitigate CVE-2021-34949, users should update Foxit PDF Reader to the latest version that includes security patches.
Can CVE-2021-34949 be exploited remotely?
Yes, CVE-2021-34949 can be exploited remotely, but it requires user interaction to activate the attack.
What types of information could be disclosed by CVE-2021-34949?
CVE-2021-34949 may lead to the disclosure of sensitive information stored on the affected system.
Which versions of Foxit PDF Reader are affected by CVE-2021-34949?
Specific versions of Foxit PDF Reader prior to the security update are affected by CVE-2021-34949.