Advisory Details Date: April 20th, 2018 Title: Foxit Reader TextBox Keystroke Use-After-Free Remote Code Execution Vulnerability IDs: - ZDI-18-352 - ZDI-CAN-5572 CVE ID: CVE-2018-9968 CVSS Score: 6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P Affected Vendors: Foxit Affected Products: Reader Vulnerability Details This vulnerability allows remote attackers to execute arbitrary code on vulnerable 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 Keystroke actions of TextBox objects. 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 under 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 2018-01-31: Vulnerability reported to vendor 2018-04-20: Coordinated public release of advisory 2018-04-20: Advisory Updated Credit Steven Seeley of Source Incite