TippingPoint Zero Day Initiative
 

Foxit Reader getAnnot Use-After-Free Remote Code Execution Vulnerability

ZDI-17-313: April 21st, 2017

CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 28004. For further product information on the TippingPoint IPS:

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 getAnnot method. The process does not properly validate 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.

Vendor Response

Foxit has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2017-03-01 - Vulnerability reported to vendor
    2017-04-21 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Steven Seeley (mr_me) of Offensive Security