Advisory Details

November 14th, 2017

Foxit Reader Text Annotations style Use-After-Free Remote Code Execution Vulnerability

ZDI-17-877
ZDI-CAN-5025

CVE ID CVE-2017-14833
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Foxit
AFFECTED PRODUCTS Reader
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 29564. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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 style attribute of Text Annotation objects. The issue results from the lack of validating 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.

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
  • 2017-08-08 - Vulnerability reported to vendor
  • 2017-11-14 - Coordinated public release of advisory
CREDIT Steven Seeley (mr_me) of Offensive Security
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