CVE-2016-6151 in eHealth
Summary
by MITRE
CA eHealth 6.2.x allows remote authenticated users to cause a denial of service or possibly execute arbitrary commands via unspecified vectors.
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Analysis
by VulDB Data Team • 09/09/2022
The vulnerability identified as CVE-2016-6151 affects CA eHealth 6.2.x software, representing a critical security flaw that enables remote authenticated attackers to compromise system availability and potentially execute arbitrary code. This issue stems from unspecified vectors within the eHealth platform's architecture, creating a significant risk for organizations relying on this healthcare information management system. The vulnerability's impact extends beyond simple service disruption, as it may allow attackers with valid credentials to escalate their privileges and gain unauthorized system access.
The technical nature of this vulnerability lies in the improper handling of user input or process execution within the CA eHealth application, though the specific implementation details remain undisclosed. This type of flaw typically falls under CWE-20, which encompasses improper input validation, and potentially CWE-78, concerning shell injection vulnerabilities. The unspecified vectors suggest that multiple attack surfaces within the application may be susceptible to manipulation, making the vulnerability particularly dangerous as it could be exploited through various pathways. The authentication requirement indicates that attackers must first obtain legitimate credentials, but this does not mitigate the severity of potential impact once access is gained.
From an operational perspective, this vulnerability presents a severe threat to healthcare organizations utilizing CA eHealth 6.2.x systems, as it could result in complete service disruption and potential data compromise. The denial of service aspect directly impacts patient care delivery and administrative functions, while the arbitrary code execution capability could lead to full system compromise and data exfiltration. The attack surface is particularly concerning in healthcare environments where system uptime is critical for patient safety and regulatory compliance. Organizations may face significant operational disruption, regulatory penalties, and reputational damage if exploited successfully. The vulnerability's presence in a healthcare information system also raises concerns about potential violations of HIPAA requirements for protecting patient data and maintaining system integrity.
Mitigation strategies should prioritize immediate patching of affected systems with available vendor updates, as well as implementing network segmentation to limit lateral movement capabilities. Organizations should enforce strict access controls and monitor for unusual authentication patterns or system behavior that might indicate exploitation attempts. The implementation of intrusion detection systems and security monitoring tools can help identify potential exploitation activities. Additionally, regular security assessments and vulnerability scanning should be conducted to identify similar issues within the broader IT infrastructure. Organizations should also consider implementing privileged access management solutions to reduce the impact of credential compromise. The vulnerability's classification aligns with ATT&CK technique T1489, which covers denial of service attacks, and potentially T1059, covering command and scripting interpreter usage, making comprehensive security measures essential for protecting against both immediate and long-term threats.