CVE-2021-34831: Foxit Reader embedDocAsDataObject 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 Reader 10.1.4.37651. 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 Document 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-13741.
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-2021-34831?
CVE-2021-34831 is a vulnerability in Foxit Reader that allows remote attackers to execute arbitrary code on affected installations.
How can this vulnerability be exploited?
This vulnerability can be exploited by visiting a malicious page or opening a malicious file.
What is the severity of CVE-2021-34831?
The severity of CVE-2021-34831 is high, with a CVSS score of 7.8.
What software versions are affected by CVE-2021-34831?
CVE-2021-34831 affects Foxit Reader 10.1.4.37651 and earlier versions.
How can I fix CVE-2021-34831?
To fix CVE-2021-34831, make sure to update to the latest version of Foxit Reader.
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