CVE-2023-40150 in MedDream PACS
Summary
by MITRE • 09/11/2023
?The affected product does not perform an authentication check and performs some dangerous functionality, which could result in unauthenticated remote code execution.0
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Analysis
by VulDB Data Team • 09/12/2023
The vulnerability identified as CVE-2023-40150 represents a critical security flaw in a software product that fails to implement proper authentication mechanisms while exposing dangerous functionality. This weakness creates a pathway for malicious actors to execute arbitrary code remotely without requiring valid credentials, fundamentally undermining the security posture of the affected system. The absence of authentication checks combined with the presence of dangerous operational capabilities creates an environment where unauthorized parties can gain complete control over the affected product's execution environment.
This vulnerability aligns with CWE-863, which describes "Incorrect Authorization" where an actor is able to access resources or functionality for which they are not authorized. The flaw demonstrates how insufficient access controls can lead to severe consequences when combined with functionality that can be exploited for code execution. The vulnerability's classification as unauthenticated remote code execution places it within the realm of critical threats that can be exploited from outside the network perimeter, making it particularly dangerous for internet-facing applications and services.
The operational impact of CVE-2023-40150 extends beyond simple unauthorized access, as the combination of missing authentication and dangerous functionality creates opportunities for attackers to perform a wide range of malicious activities. These include but are not limited to data exfiltration, system compromise, lateral movement within network environments, and the potential establishment of persistent backdoors. The vulnerability's remote exploitability means that attackers can leverage this flaw from any location without requiring physical access or prior system compromise, significantly expanding the attack surface and reducing the time required to achieve successful exploitation.
From an adversary perspective, this vulnerability maps directly to several ATT&CK techniques including T1078 for valid accounts usage and T1059 for command and script interpreter execution. The threat actor can exploit this weakness to establish persistence, move laterally through networks, and maintain access to compromised systems. The lack of authentication requirements reduces the complexity of exploitation and allows for automated attack tools to target vulnerable systems without human intervention. This makes the vulnerability particularly attractive to automated malware and botnet operators who seek to quickly compromise large numbers of systems.
Mitigation strategies for CVE-2023-40150 must focus on implementing proper authentication mechanisms and restricting access to dangerous functionality. Organizations should immediately apply vendor-provided patches or updates that address the authentication gap and ensure that all exposed interfaces require proper credential validation. Network segmentation and firewall rules should be implemented to limit access to vulnerable components, while monitoring systems should be configured to detect unusual access patterns or execution attempts. Additionally, regular security assessments should verify that authentication mechanisms are properly configured and that dangerous operations are appropriately restricted to authorized users only. The vulnerability demonstrates the critical importance of the principle of least privilege and proper access control implementation in preventing unauthorized system compromise.