CVE-2021-34832: Foxit PDF Reader delay Use-After-Free Remote Code Execution Vulnerability
First published: Wed Aug 04 2021(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. 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 the delay property. 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-13928.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxit PDF Reader | <=11.0.0.49893 | |
| Foxitsoftware Pdf Editor | <=10.1.4.37651 | |
| Foxitsoftware Pdf Editor | =11.0.0.49893 | |
| Microsoft Windows | ||
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Reference Links
Frequently Asked Questions
What is CVE-2021-34832?
CVE-2021-34832 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893.
How can CVE-2021-34832 be exploited?
CVE-2021-34832 can be exploited by visiting a malicious page or opening a malicious file.
Which software versions are affected by CVE-2021-34832?
CVE-2021-34832 affects Foxit PDF Reader 11.0.0.49893 and Foxitsoftware Pdf Editor versions up to and including 10.1.4.37651.
What is the severity of CVE-2021-34832?
CVE-2021-34832 has a severity score of 7.8 (high).
How can I fix CVE-2021-34832?
To fix CVE-2021-34832, users should update to the latest version of Foxit PDF Reader or Foxitsoftware Pdf Editor.
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