Advisory Details

April 9th, 2025

MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-25-242
ZDI-CAN-25853

CVE ID CVE-2025-3484
CVSS SCORE 9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS MedDream
AFFECTED PRODUCTS PACS Server
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of MedDream PACS Server. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the parsing of DICOM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account.

ADDITIONAL DETAILS

Fixed in version 7.3.5.860


DISCLOSURE TIMELINE
  • 2024-12-10 - Vulnerability reported to vendor
  • 2025-04-09 - Coordinated public release of advisory
  • 2025-04-09 - Advisory Updated
CREDIT Chizuru Toyama of TXOne Networks
BACK TO ADVISORIES