Advisory Details

June 29th, 2016

Foxit Reader Safe Mode Bypass Information Disclosure Vulnerability

ZDI-16-395
ZDI-CAN-3659

CVE ID
CVSS SCORE 4.3, AV:N/AC:M/Au:N/C:P/I:N/A:N
AFFECTED VENDORS Foxit
AFFECTED PRODUCTS Reader
VULNERABILITY DETAILS


This vulnerability allows remote attackers to disclose sensitive information 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 SWF files inside PDF files. Embedded SWF files in Foxit Reader run outside the Safe Mode context. This can be leveraged by an attacker in conjunction with other vulnerabilities to execute arbitrary code in the context of the 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
  • 2016-04-26 - Vulnerability reported to vendor
  • 2016-06-29 - Coordinated public release of advisory
CREDIT Björn Ruytenberg
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