CVE-2021-34973: Foxit PDF Reader PDF File Parsing Use-After-Free Information Disclosure Vulnerability
First published: Tue May 07 2024(Updated: )
Foxit PDF Reader PDF File Parsing 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 parsing of PDF files. 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-14968.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxit Reader |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-34973?
CVE-2021-34973 has a severity rating that indicates a potential for information disclosure if exploited.
How do I fix CVE-2021-34973?
To fix CVE-2021-34973, ensure that you have updated to the latest version of Foxit PDF Reader provided by the vendor.
What types of attacks are possible with CVE-2021-34973?
CVE-2021-34973 can be exploited by attackers to disclose sensitive user information from affected installations.
Does CVE-2021-34973 require user interaction to exploit?
Yes, CVE-2021-34973 requires user interaction to exploit, such as opening a specially crafted PDF file.
Which software is affected by CVE-2021-34973?
CVE-2021-34973 affects installations of Foxit PDF Reader.
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