Advisory Details

August 17th, 2023

PDF-XChange Editor OXPS File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-23-1136
ZDI-CAN-20037

CVE ID CVE-2023-39504
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 OXPS files. 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 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 PDF-XChange Editor V9 (9.5.368) and V10 (10.0.1)
https://www.tracker-software.com/product/pdf-xchange-editor/history


DISCLOSURE TIMELINE
  • 2023-01-07 - Vulnerability reported to vendor
  • 2023-08-17 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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