CVE-2021-31460: Foxit Reader XFA Template Use-After-Free Remote Code Execution Vulnerability
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 processing of XFA templates. 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-13096.
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 processing of XFA templates. 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.
— ZDI
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2021-31460?
The severity of CVE-2021-31460 is high, with a CVSS score of 7.8.
Which software versions are affected by CVE-2021-31460?
Foxit Reader versions up to and including 10.1.3.37598 are affected by CVE-2021-31460.
How can remote attackers exploit CVE-2021-31460?
Remote attackers can exploit CVE-2021-31460 by tricking the target into visiting a malicious page or opening a malicious file.
Is Microsoft Windows affected by CVE-2021-31460?
No, Microsoft Windows is not vulnerable to CVE-2021-31460.
Where can I find more information about CVE-2021-31460?
You can find more information about CVE-2021-31460 in the Foxit Software security bulletins and the Zero Day Initiative advisory.