Advisory Details

October 1st, 2019

Foxit Reader JPG File ConvertToPDF Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-19-854
ZDI-CAN-8838

CVE ID CVE-2019-13331
CVSS SCORE 7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Foxit
AFFECTED PRODUCTS Reader
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected 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 parsing of JPG files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in 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
  • 2019-07-18 - Vulnerability reported to vendor
  • 2019-10-01 - Coordinated public release of advisory
CREDIT Natnael Samson (@NattiSamson)
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