Foxit Reader Xref Use-After-Free Remote Code Execution Vulnerability
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 Xref 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 user.
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
- 2017-01-13 - Vulnerability reported to vendor
- 2017-03-09 - Coordinated public release of advisory
Credit
SkyLined and Soiax
