Sante DICOM Viewer Pro DCM File Parsing Use-After-Free Remote Code Execution Vulnerability

May 4th, 2023
ZDI-23-526 ZDI-CAN-15629

CVE ID

CVE-2023-32134

CVSS Score

7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors

Sante

Affected Products

DICOM Viewer Pro

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Sante DICOM Viewer Pro. 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 DCM images. 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

Fixed in Sante DICOM Editor 7.8.12 and Sante DICOM Viewer Pro 11.8.12


Disclosure Timeline

  • 2022-06-17 - Vulnerability reported to vendor
  • 2023-05-04 - Coordinated public release of advisory

Credit

Mat Powell of Trend Micro Zero Day Initiative

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