Advisory Details

July 26th, 2023

Foxit PDF Reader AcroForm Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-23-993
ZDI-CAN-21256

CVE ID CVE-2023-38115
CVSS SCORE 3.3, (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
AFFECTED VENDORS Foxit
AFFECTED PRODUCTS PDF Reader
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information 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 Doc objects. 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 in conjunction with other vulnerabilities to execute arbitrary 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
  • 2023-05-26 - Vulnerability reported to vendor
  • 2023-07-26 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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