CVE-2021-31473: Foxit Reader browseForDoc Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Fri May 21 2021(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.3.37598. 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 browseForDoc function. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13523.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxitsoftware Phantompdf | <=9.7.5.29616 | |
| Foxitsoftware Phantompdf | >=10.0.0.0<=10.1.3.37598 | |
| Foxitsoftware Reader | <=10.1.3.37598 | |
| Microsoft Windows | ||
| Foxit Reader |
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Reference Links
Frequently Asked Questions
What is the vulnerability identifier for this vulnerability?
The vulnerability identifier for this vulnerability is CVE-2021-31473.
What is the severity level of CVE-2021-31473?
The severity level of CVE-2021-31473 is high with a CVSS score of 7.8.
Which software versions are affected by CVE-2021-31473?
Foxit Reader versions up to and including 10.1.3.37598 are affected by CVE-2021-31473.
How can an attacker exploit CVE-2021-31473?
An attacker can exploit CVE-2021-31473 by tricking a user into visiting a malicious website or opening a malicious file.
Is Microsoft Windows vulnerable to CVE-2021-31473?
No, Microsoft Windows is not vulnerable to CVE-2021-31473.
- collector/zdi-advisory
- alias/ZDI-21-561
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