CVE-2023-35734: Sante DICOM Viewer Pro DCM File Parsing Use-After-Free Information Disclosure Vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-03 · updated 2026-06-17
Weakness: CWE-416

Description

Sante DICOM Viewer Pro DCM File Parsing Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 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. Was ZDI-CAN-21405.

Affected products

Sante DICOM Viewer Pro: before 12.2.5 — fixed in 12.2.5

How to fix

Upgrade to a fixed version: Sante DICOM Viewer Pro 12.2.5. Check the vendor advisory for mitigations.

References

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