Advisory Details

July 26th, 2023

Foxit PDF Reader AcroForm signature Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-23-997
ZDI-CAN-21326

CVE ID CVE-2023-38119
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 PDF Reader
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF 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 signature fields. 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.foxit.com/support/security-bulletins.html
DISCLOSURE TIMELINE
  • 2023-06-08 - Vulnerability reported to vendor
  • 2023-07-26 - Coordinated public release of advisory
CREDIT Anonymous
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