Advisory Details

November 2nd, 2016

Foxit Reader JPXDecode filters Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-16-581
ZDI-CAN-4027

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 JPXDecode filters. The process does not properly validate user-supplied data which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

VENDOR RESPONSE 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
  • 2016-09-27 - Vulnerability reported to vendor
  • 2016-11-02 - Coordinated public release of advisory
CREDIT Steven Seeley of Source Incite
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