CVE-2025-5307 in Sante DICOM Viewer Pro
Summary
by MITRE • 05/30/2025
Santesoft Sante DICOM Viewer Pro contains a memory corruption vulnerability. A local attacker could exploit this issue to potentially disclose information and to execute arbitrary code on affected installations of Sante DICOM Viewer Pro.
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Analysis
by VulDB Data Team • 10/16/2025
The vulnerability identified as CVE-2025-5307 represents a critical memory corruption flaw within Santesoft Sante DICOM Viewer Pro software, a widely used medical imaging application designed for viewing and managing digital imaging and communications in medicine files. This particular vulnerability resides in the application's handling of specially crafted DICOM files, which are standard formats used in healthcare environments for storing and transmitting medical images and related data. The flaw manifests when the viewer processes malformed or maliciously constructed DICOM datasets, creating conditions that can lead to unpredictable memory behavior and potential system compromise.
The technical nature of this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflow scenarios. The memory corruption occurs during the parsing and rendering process of DICOM files, where insufficient input validation allows an attacker to manipulate memory layout through crafted file structures. This vulnerability is particularly concerning because it operates at the memory management level, where arbitrary code execution can occur when the application attempts to process corrupted data structures. The flaw enables a local attacker to manipulate heap memory pointers or stack variables, potentially leading to privilege escalation or complete system compromise.
From an operational perspective, the impact of this vulnerability extends beyond simple information disclosure to encompass full system compromise capabilities. Healthcare organizations utilizing Sante DICOM Viewer Pro face significant risk as attackers could exploit this vulnerability to execute malicious code with the privileges of the affected user account. The local attack vector means that an attacker must already have access to the target system, but this access could be gained through various initial compromise methods such as phishing attacks, compromised credentials, or other network-based attacks. Once exploited, the vulnerability could allow attackers to access sensitive patient medical records, manipulate imaging data, or establish persistent access points within healthcare network environments. The nature of DICOM files makes this particularly dangerous as they often contain highly sensitive personal health information that could be monetized on the black market.
Mitigation strategies for CVE-2025-5307 should prioritize immediate patch deployment from Santesoft, as this represents a critical security flaw requiring urgent attention. Organizations should implement network segmentation to limit access to systems running the vulnerable software and establish strict file validation procedures for DICOM data ingestion. The implementation of application whitelisting can help prevent unauthorized execution of malicious payloads, while regular security audits should monitor for unauthorized access attempts. Additionally, healthcare organizations should consider implementing data loss prevention solutions that can detect and block suspicious file transfers. The vulnerability's characteristics align with ATT&CK technique T1059.007 for command and scripting interpreter, and T1566 for spearphishing attacks, suggesting that organizations should enhance their email security measures and user awareness training programs. System administrators should also establish monitoring protocols to detect unusual memory access patterns or process behavior that might indicate exploitation attempts.