CVE-2020-13627 in host-monitoring Widget
Summary
by MITRE
Cross-site scripting (XSS) vulnerability allows remote attackers to inject arbitrary web script or HTML via the widgetId parameter to service-monitoring/src/index.php. This vulnerability is fixed in versions 1.6.4, 18.10.3, 19.04.3, and 19.0.1 of the Centreon host-monitoring widget; 1.6.4, 18.10.5, 19.04.3, 19.10.2 of the Centreon service-monitoring widget; and 1.0.3, 18.10.1, 19.04.1, 19.10.1 of the Centreon tactical-overview widget.
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Analysis
by VulDB Data Team • 05/28/2020
The CVE-2020-13627 vulnerability represents a critical cross-site scripting flaw that affects the Centreon monitoring platform, specifically targeting the host-monitoring widget component. This vulnerability resides in the service-monitoring/src/index.php file where the widgetId parameter fails to properly sanitize user input, creating an avenue for malicious actors to execute arbitrary web scripts or HTML code within the context of authenticated user sessions. The flaw demonstrates a classic XSS vulnerability pattern where insufficient input validation allows attackers to inject malicious content that gets executed when other users view the affected page, making it particularly dangerous in enterprise monitoring environments where multiple administrators may access the same dashboard.
The technical exploitation of this vulnerability occurs through the manipulation of the widgetId parameter, which serves as the entry point for injecting malicious payloads. When the Centreon application processes this parameter without adequate sanitization or encoding, it inadvertently executes the injected code within the browser context of legitimate users. This type of vulnerability maps directly to CWE-79 - Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly escape or encode user-controllable data before incorporating it into dynamically generated web content. The vulnerability affects multiple components of the Centreon platform including host-monitoring, service-monitoring, and tactical-overview widgets, indicating a systemic issue in how these monitoring interfaces handle user-provided identifiers.
From an operational perspective, this vulnerability poses significant risks to enterprise security infrastructure, particularly in environments where Centreon serves as a central monitoring solution for critical systems. Attackers could leverage this flaw to steal session cookies, redirect users to malicious sites, deface monitoring dashboards, or execute more sophisticated attacks such as privilege escalation within the monitoring environment. The impact extends beyond simple data theft, as compromised monitoring interfaces could provide attackers with insights into network infrastructure, system vulnerabilities, and operational procedures. According to ATT&CK framework, this vulnerability aligns with T1566 - Phishing and T1059 - Command and Scripting Interpreter, as it enables initial access through web-based attacks and provides a persistent foothold for executing malicious code within the target environment.
Organizations utilizing Centreon platforms must implement immediate mitigation strategies including the deployment of the patched versions mentioned in the advisory, which include 1.6.4, 18.10.3, 19.04.3, and 19.0.1 for host-monitoring, 1.6.4, 18.10.5, 19.04.3, 19.10.2 for service-monitoring, and 1.0.3, 18.10.1, 19.04.1, 19.10.1 for tactical-overview widgets. Additionally, network-based mitigations such as web application firewalls should be implemented to filter malicious payloads, and input validation should be strengthened across all user-controllable parameters. Security teams should also consider implementing Content Security Policy headers to limit script execution and monitor for anomalous widget behavior that might indicate exploitation attempts, while conducting comprehensive security assessments of the monitoring infrastructure to identify potential secondary impacts from compromised dashboard components.