Advisory Details

August 5th, 2022

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

ZDI-22-1058
ZDI-CAN-17550

CVE ID CVE-2022-37386
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 resetForm method. By performing actions in JavaScript, an attacker can trigger a read past the end of an allocated object. 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
  • 2022-06-17 - Vulnerability reported to vendor
  • 2022-08-05 - Coordinated public release of advisory
CREDIT Anonymous
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