CVE-2013-7107 in Icinga
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in cmd.cgi in Icinga 1.8.5, 1.9.4, 1.10.2, and earlier allows remote attackers to hijack the authentication of users for unspecified commands via unspecified vectors, as demonstrated by bypassing authentication requirements for CVE-2013-7106.
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Analysis
by VulDB Data Team • 12/22/2024
The CVE-2013-7107 vulnerability represents a critical cross-site request forgery flaw discovered in Icinga versions 1.8.5, 1.9.4, 1.10.2, and earlier. This vulnerability specifically affects the cmd.cgi component within the Icinga monitoring system, which is responsible for executing various administrative commands through web interfaces. The flaw allows remote attackers to manipulate authenticated sessions and execute unauthorized commands by exploiting the absence of proper CSRF protection mechanisms. The vulnerability is particularly concerning because it can be leveraged to bypass authentication requirements that were already compromised by the related CVE-2013-7106 vulnerability, creating a cascading security risk that undermines the entire authentication framework of the monitoring system.
The technical implementation of this CSRF vulnerability stems from the lack of proper validation mechanisms within the cmd.cgi script. When users authenticate to the Icinga web interface, their session tokens are typically sufficient to validate legitimate requests. However, the absence of anti-CSRF tokens or other protective measures means that malicious actors can craft specially crafted requests that appear to originate from authenticated users. These requests can be delivered through various vectors including malicious websites, email attachments, or compromised network endpoints that trick users into inadvertently executing commands on the Icinga server. The vulnerability operates at the web application level and demonstrates a fundamental flaw in session management and request validation within the Icinga web interface components.
The operational impact of this vulnerability extends far beyond simple privilege escalation as it can lead to complete system compromise and unauthorized access to critical monitoring infrastructure. An attacker exploiting this vulnerability can potentially execute arbitrary commands on the Icinga server, modify monitoring configurations, access sensitive system information, and disrupt critical infrastructure monitoring capabilities. The attack surface is particularly dangerous because Icinga systems often serve as central monitoring points for enterprise networks, making successful exploitation a significant threat to overall network security. Organizations relying on these monitoring systems could face complete loss of visibility into their infrastructure health, potentially leading to undetected security breaches or system failures that go unnoticed for extended periods.
Mitigation strategies for CVE-2013-7107 should focus on immediate patching of affected Icinga versions to the latest available releases that contain proper CSRF protection mechanisms. Organizations must ensure that all Icinga installations are updated to versions that implement anti-CSRF tokens and validate request origins to prevent unauthorized command execution. Network segmentation and access controls should be implemented to limit direct exposure of Icinga web interfaces to untrusted networks, while also ensuring that administrative interfaces are protected by additional authentication layers such as two-factor authentication or dedicated security appliances. Security monitoring should be enhanced to detect unusual command execution patterns that might indicate CSRF attacks, and regular security audits should verify that proper session management and request validation mechanisms are in place throughout the Icinga infrastructure. This vulnerability aligns with CWE-352, which specifically addresses cross-site request forgery issues, and represents a significant concern under the ATT&CK framework's privilege escalation and defense evasion techniques, particularly when combined with the authentication bypass mechanisms described in CVE-2013-7106.