Foxit Reader Xref Use-After-Free Remote Code Execution VulnerabilityZDI-17-136: March 9th, 2017
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.
Vendor ResponseFoxit has issued an update to correct this vulnerability. More details can be found at:
2017-01-13 - Vulnerability reported to vendor
2017-03-09 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
SkyLined and Soiax