CVE-2021-31449: Foxit Reader U3D File Parsing Double Free Remote Code Execution Vulnerability
First published: Fri May 07 2021(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576. 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 U3D objects embedded in PDF files. The issue results from the lack of validating the existence of an object prior to performing further free operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13280.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxitsoftware Foxit Reader | <=10.1.3.37598 | |
| Foxitsoftware Phantompdf | <=9.7.5.29616 | |
| Foxitsoftware Phantompdf | >=10.0.0.0<=10.1.3.37598 | |
| Microsoft Windows | ||
| Foxit Reader |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-31449?
The severity of CVE-2021-31449 is high, with a CVSS score of 7.8.
How does CVE-2021-31449 impact Foxit Reader?
CVE-2021-31449 allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.1.37576.
What software versions are affected by CVE-2021-31449?
Foxit Reader versions up to and including 10.1.3.37598 and Phantompdf versions up to and including 9.7.5.29616 and versions between 10.0.0.0 and 10.1.3.37598 are affected by CVE-2021-31449.
How can CVE-2021-31449 be exploited?
To exploit CVE-2021-31449, user interaction is required, such as visiting a malicious page or opening a malicious file.
Where can I find more information about CVE-2021-31449?
More information about CVE-2021-31449 can be found in the security bulletins on the Foxit Software website and the advisory by Zero Day Initiative.
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