CVE-2021-31465: Foxit Reader U3D File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
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 handling of U3D objects in PDF files. 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-13582.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader. 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 in PDF files. 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.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2021-31465?
The severity of CVE-2021-31465 is high with a CVSS score of 7.8.
How can remote attackers exploit CVE-2021-31465?
Remote attackers can exploit CVE-2021-31465 by getting the target to visit a malicious page or open a malicious file.
Which versions of Foxit Reader are affected by CVE-2021-31465?
Foxit Reader versions up to and including 10.1.3.37598 are affected by CVE-2021-31465.
How can I fix CVE-2021-31465?
To fix CVE-2021-31465, you should update Foxit Reader to a version beyond 10.1.3.37598.
Where can I find more information about CVE-2021-31465?
You can find more information about CVE-2021-31465 on the Foxit Software support security bulletins page and the Zero Day Initiative advisories page.