External risk intelligence

Mirth Connect Unauthenticated Remote Code Execution

CVE advisoryKnown Exploit

CVE-2023-43208

NextGen Healthcare Mirth Connect is affected by an unauthenticated remote code execution vulnerability. This poses a business risk as attackers could gain unauthorized access and control over systems and data. Organizations should address this vulnerability to mitigate potential impacts.

4Halo Surface Signal

OS Command Injection

Nextgen Mirth Connect

before 4.4.1

External exposure likelihood

Halo Surface Signal score for CVE-2023-43208

Mirth Connect is an integration engine designed to facilitate data exchange between healthcare systems, often deployed as an edge service or API gateway to handle external connectivity and message processing. Its role as a central hub for interoperability frequently requires it to be exposed to network traffic to perform its primary function of connecting disparate systems.

Horizon Alert

Summary of the vulnerability and why it matters

NextGen Healthcare Mirth Connect is susceptible to a critical flaw, enabling unauthorized remote code execution. This vulnerability can allow attackers to compromise systems and execute arbitrary code without authentication. The potential impact includes significant business risk due to unauthorized access and control of sensitive data and systems.

  • Mirth Connect integration engine
  • Unauthenticated remote code execution
  • Compromise of systems and data

Attack Path

How an attacker could exploit the issue

This vulnerability impacts organizations using specific versions of NextGen Healthcare Mirth Connect. An attacker can exploit this by sending a specially crafted request over the network. Successful exploitation allows an unauthenticated attacker to execute arbitrary code on the affected system, potentially leading to a compromise of the system and its data. This poses a significant risk to the confidentiality, integrity, and availability of business operations.

  • Exposed system accessible remotely.
  • Unauthenticated attacker sends malicious request.
  • Attacker achieves code execution.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows for unauthenticated remote code execution, meaning attackers can potentially run their own code on affected systems without needing any prior access or credentials. The attack vector is the network, indicating that exploitation can occur over the internet. This poses a significant risk, as successful exploitation could lead to complete system compromise. Given the ease of exploitation and the potential for severe damage, this vulnerability should be treated with high urgency.

  • Attacker skill level: Low
  • Required access or conditions: Network access
  • Business risk or urgency: High

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

An unauthenticated remote code execution vulnerability has been identified in NextGen Healthcare Mirth Connect. This issue allows for unauthorized attackers to execute arbitrary code on affected systems. Organizations utilizing this software should take immediate steps to understand their exposure and implement appropriate controls.

  • Locate all Mirth Connect instances.
  • Restrict network access to Mirth Connect.
  • Update to a secure version and confirm resolution.

Frequently asked questions

What is NextGen Healthcare Mirth Connect and its role in healthcare interoperability?

NextGen Healthcare Mirth Connect is an integration engine vital for healthcare interoperability. It acts as a central hub, enabling diverse healthcare systems to exchange and communicate data effectively, ensuring seamless information flow.

How does CVE-2023-43208 enable unauthenticated remote code execution?

CVE-2023-43208 exploits a deserialization of untrusted data vulnerability. Attackers can send specially crafted data to Mirth Connect, tricking it into executing malicious code, thereby achieving unauthenticated remote code execution.

What specific weakness class is associated with CVE-2023-43208?

CVE-2023-43208 is associated with the weakness class 'Deserialization of Untrusted Data' (CWE-502), allowing for unauthorized code execution.

How can an attacker exploit CVE-2023-43208, and what is the impact on Halo Surface Signal?

An attacker exploits CVE-2023-43208 by sending a malicious network request to an unpatched Mirth Connect instance. This leads to unauthenticated remote code execution, posing a high risk. Halo Surface Signal identifies this as 'Likely' exploitation due to Mirth Connect's typical role as an exposed, network-facing integration engine.

What steps should be taken to address the Mirth Connect vulnerability?

Organizations should identify all Mirth Connect instances, restrict network access where possible, and update to a secure version (4.4.1 or later) to resolve the vulnerability. Confirming the successful application of patches is crucial.

References