MedDream PACS Server DICOM File Parser stack-based overflow

Summaryinfo

A vulnerability, which was classified as critical, was found in MedDream PACS Server. This affects an unknown part of the component DICOM File Parser. Executing a manipulation can lead to stack-based overflow. This vulnerability is handled as CVE-2025-3481. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in MedDream PACS Server (affected version not known). It has been declared as critical. This vulnerability affects some unknown functionality of the component DICOM File Parser. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

MedDream PACS Server DICOM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. 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. Was ZDI-CAN-25827.

The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2025-3481 since 04/09/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-16099). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• MedDream

Name

• PACS Server

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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