Advisory Details

July 19th, 2018

Foxit Reader instanceManager nodes append Type Confusion Remote Code Execution Vulnerability

ZDI-18-747
ZDI-CAN-5641

CVE ID CVE-2018-14287
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 arguments passed to the instanceManager.nodes.append function. 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 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
  • 2018-04-16 - Vulnerability reported to vendor
  • 2018-07-19 - Coordinated public release of advisory
  • 2018-07-19 - Advisory Updated
CREDIT nsfocus security team.
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