Description
In Connex health portal released before8/30/2024, SQL injection vulnerabilities were found that could have allowed an unauthenticated attacker to gain unauthorized access to Connex portal's database. An attacker could have submitted a crafted payload to Connex portal that could have resulted in modification and disclosure of database content and/or perform administrative operations including shutting down the database.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2024-47824
1. Vulnerability Assessment and Severity Evaluation
Vulnerability Description: The EUVD entry EUVD-2024-47824 describes a critical SQL injection vulnerability in the Connex Health Portal released before 8/30/2024. This vulnerability allows an unauthenticated attacker to submit crafted payloads, potentially leading to unauthorized access, modification, and disclosure of database content, as well as administrative operations such as shutting down the database.
Severity Evaluation:
- Base Score: 10.0 (Critical)
- Base Score Version: CVSS:3.1
- Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
The CVSS score of 10.0 indicates the highest level of severity. The vulnerability can be exploited remotely (AV:N) with low complexity (AC:L), requires no privileges (PR:N), and does not need user interaction (UI:N). The impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H), and the scope is changed (S:C), meaning the vulnerability can affect components beyond its security scope.
2. Potential Attack Vectors and Exploitation Methods
Attack Vectors:
- Unauthenticated SQL Injection: An attacker can submit malicious SQL queries through input fields (e.g., login forms, search bars) without needing authentication.
- Crafted Payloads: Attackers can craft SQL commands to extract, modify, or delete data, as well as perform administrative operations.
Exploitation Methods:
- Data Exfiltration: Attackers can extract sensitive information such as patient records, user credentials, and other confidential data.
- Data Manipulation: Attackers can alter database entries, leading to data integrity issues.
- Database Shutdown: Attackers can execute commands to shut down the database, causing a denial of service (DoS).
3. Affected Systems and Software Versions
Affected Systems:
- Connex Health Portal: All versions released before 8/30/2024.
Vendor:
- Baxter: The vendor responsible for the Connex Health Portal.
4. Recommended Mitigation Strategies
Immediate Actions:
- Patch Management: Ensure that all instances of the Connex Health Portal are updated to the latest version released after 8/30/2024.
- Input Validation: Implement robust input validation and sanitization to prevent SQL injection attacks.
- Parameterized Queries: Use parameterized queries or prepared statements to ensure that SQL commands are executed safely.
- Web Application Firewalls (WAF): Deploy WAFs to detect and block malicious SQL injection attempts.
Long-Term Strategies:
- Regular Security Audits: Conduct regular security audits and penetration testing to identify and mitigate vulnerabilities.
- Security Training: Provide training for developers and administrators on secure coding practices and SQL injection prevention.
- Monitoring and Logging: Implement comprehensive monitoring and logging to detect and respond to suspicious activities promptly.
5. Impact on European Cybersecurity Landscape
Regulatory Compliance:
- GDPR: The vulnerability poses a significant risk to personal data, which could result in GDPR violations and potential fines.
- NIS Directive: Organizations in critical sectors must comply with the NIS Directive, ensuring robust cybersecurity measures are in place.
Public Health:
- Patient Safety: Compromised health portals can lead to data breaches affecting patient safety and trust in healthcare systems.
- Operational Disruption: A successful attack could disrupt healthcare services, impacting patient care and operational efficiency.
6. Technical Details for Security Professionals
SQL Injection Prevention:
- Input Validation: Ensure all user inputs are validated against a strict whitelist of allowed characters and formats.
- Parameterized Queries: Use parameterized queries to separate SQL code from data, preventing injection attacks.
- Stored Procedures: Utilize stored procedures to encapsulate SQL logic and reduce the risk of injection.
- Least Privilege: Apply the principle of least privilege to database accounts, limiting access to only necessary data and operations.
Detection and Response:
- Intrusion Detection Systems (IDS): Deploy IDS to monitor network traffic for signs of SQL injection attempts.
- Incident Response Plan: Develop and maintain an incident response plan to quickly address and mitigate any detected vulnerabilities or attacks.
Conclusion: The SQL injection vulnerability in the Connex Health Portal is critical and requires immediate attention. Organizations using the affected software should prioritize patching and implementing robust security measures to protect against potential exploitation. The impact on the European cybersecurity landscape underscores the need for vigilant cybersecurity practices, especially in sectors handling sensitive data.
References:
- CISA Advisory
- CVE ID: CVE-2024-6795
- ENISA ID Product: d8e6f1d5-c461-335a-a830-a4c9b007a322
- ENISA ID Vendor: 38953e10-a951-344a-ac3c-0611c3ece1c2