CVE-2019-17106 in Web
Summary
by MITRE
In Centreon Web through 2.8.29, disclosure of external components' passwords allows authenticated attackers to move laterally to external components.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 08/27/2024
The vulnerability identified as CVE-2019-17106 represents a critical security flaw in Centreon Web versions up to 2.8.29 that enables authenticated attackers to extract passwords for external components within the monitored environment. This issue falls under the category of information disclosure vulnerabilities, specifically exposing credentials that should remain protected within the system's security boundaries. The flaw allows attackers who have gained initial access to the Centreon Web interface to obtain authentication credentials for various external systems that are being monitored or managed through the Centreon platform.
The technical implementation of this vulnerability stems from inadequate access controls and insufficient input validation within the Centreon Web application's credential handling mechanisms. When administrators configure monitoring for external components such as network devices, servers, or applications, Centreon stores these credentials for operational purposes. However, the vulnerability allows authenticated users to bypass normal access restrictions and retrieve these stored passwords through specific API endpoints or administrative interfaces that should only be accessible to authorized personnel with proper privileges. This represents a classic case of improper access control where the system fails to properly validate user permissions before exposing sensitive credential information.
The operational impact of CVE-2019-17106 extends far beyond the immediate compromise of the Centreon Web instance itself. Once an attacker gains access to external component passwords, they can leverage these credentials to move laterally throughout the network infrastructure, potentially accessing critical systems such as routers, switches, databases, and application servers. This lateral movement capability aligns with the tactics described in the MITRE ATT&CK framework under the "Lateral Movement" category, specifically targeting the use of valid credentials to access additional systems. The vulnerability essentially provides attackers with a key that unlocks access to multiple systems within the monitored environment, creating a significant escalation path from initial compromise to broader network infiltration.
The security implications of this vulnerability are particularly severe given that Centreon Web is commonly deployed in enterprise environments where it serves as a central monitoring and management platform. The flaw essentially creates a backdoor that allows attackers to access all systems that are being monitored or managed through the Centreon platform, potentially exposing sensitive corporate assets, customer data, and operational systems. Organizations using Centreon Web are particularly vulnerable because the platform typically requires access to multiple systems for comprehensive monitoring, making the exposure of these credentials extremely damaging. This vulnerability directly violates the principle of least privilege and demonstrates how a single flaw in credential management can compromise entire network infrastructures.
Organizations should implement immediate mitigations including upgrading to Centreon Web versions that address this vulnerability, implementing strict access controls for the monitoring interface, and regularly auditing credential access within the platform. The vulnerability also highlights the importance of network segmentation and principle of least privilege enforcement, where access to monitoring systems should be restricted to only those personnel who require such access for operational purposes. Additionally, organizations should consider implementing credential rotation policies and monitoring for unauthorized access attempts to the Centreon Web interface. The flaw demonstrates the critical need for proper input validation and access control mechanisms in enterprise monitoring platforms, aligning with CWE categories related to improper access control and information exposure. Organizations must also consider implementing additional security controls such as multi-factor authentication for administrative access and regular penetration testing to identify similar vulnerabilities in their monitoring infrastructure.