CVE-2021-34845: Foxit PDF Reader Annotation 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 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 vulnerability to execute code in the context of the current process. Was ZDI-CAN-14034.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxit PDF Reader | ||
| 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 the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2021-34845.
What is the severity of CVE-2021-34845?
The severity of CVE-2021-34845 is high with a CVSS score of 7.8.
What is the affected software for CVE-2021-34845?
The affected software for CVE-2021-34845 is Foxit PDF Reader 11.0.0.49893.
How can the vulnerability CVE-2021-34845 be exploited?
The vulnerability CVE-2021-34845 can be exploited by remote attackers who execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required to exploit this vulnerability by visiting a malicious page or opening a malicious file.
Is Microsoft Windows affected by CVE-2021-34845?
No, Microsoft Windows is not affected by CVE-2021-34845.
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