Advisory Details

January 25th, 2016

Foxit Reader Use-After-Free Remote Code Execution Vulnerability

ZDI-16-027
ZDI-CAN-3470

CVE ID
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Foxit
AFFECTED PRODUCTS Foxit 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 PDFs. The issue lies in assuming a buffer reference is still valid during a failure path. An attacker can leverage this vulnerability to execute arbitrary 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
  • 2015-12-17 - Vulnerability reported to vendor
  • 2016-01-25 - Coordinated public release of advisory
CREDIT Rocco Calvi
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