Advisory Details

February 10th, 2022

Foxit PDF Reader Doc Use-After-Free Information Disclosure Vulnerability

ZDI-22-279
ZDI-CAN-16115

CVE ID CVE-2022-24368
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 validating the existence of an object prior to performing operations on the 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
  • 2021-12-16 - Vulnerability reported to vendor
  • 2022-02-10 - Coordinated public release of advisory
  • 2022-02-18 - Advisory Updated
CREDIT Ashfaq Ansari and Krishnakant Patil - HackSys Inc
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