Advisory Details

September 17th, 2024

PDF-XChange Editor U3D File Parsing Use-After-Free Information Disclosure Vulnerability

ZDI-24-1244
ZDI-CAN-24216

CVE ID CVE-2024-8821
CVSS SCORE 3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS PDF-XChange
AFFECTED PRODUCTS PDF-XChange Editor
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of PDF-XChange Editor. 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 U3D files. 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

Fixed in version 10.3.1.387 (https://www.pdf-xchange.com/index.php/support/security-bulletins.html)


DISCLOSURE TIMELINE
  • 2024-05-19 - Vulnerability reported to vendor
  • 2024-09-17 - Coordinated public release of advisory
  • 2024-09-17 - Advisory Updated
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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