Advisory Details

May 7th, 2021

Foxit Reader app.media Type Confusion Remote Code Execution Vulnerability

CVE ID	CVE-2021-31461
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Foxit
AFFECTED PRODUCTS	Reader
VULNERABILITY DETAILS	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 the handling of app.media objects. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process
ADDITIONAL DETAILS	Foxit has issued an update to correct this vulnerability. More details can be found at: https://www.foxitsoftware.com/support/security-bulletins.php
DISCLOSURE TIMELINE	2021-03-31 - Vulnerability reported to vendor 2021-05-07 - Coordinated public release of advisory 2021-05-07 - Advisory Updated
CREDIT	cor3sm4sh3r working with Volon Cyber Security Pvt Ltd

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