Advisory Details

August 18th, 2022

PDF-XChange Editor J2K File Parsing Use-After-Free Remote Code Execution Vulnerability

ZDI-22-1087
ZDI-CAN-17633

CVE ID CVE-2022-37359
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS PDF-XChange
AFFECTED PRODUCTS PDF-XChange Editor
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code 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 J2K 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 vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS PDF-XChange has issued an update to correct this vulnerability. More details can be found at:
https://www.tracker-software.com/product/pdf-xchange-editor/history
DISCLOSURE TIMELINE
  • 2022-06-07 - Vulnerability reported to vendor
  • 2022-08-18 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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