CVE-2023-41260 in Request Tracker
Summary
by MITRE • 11/03/2023
Best Practical Request Tracker (RT) before 4.4.7 and 5.x before 5.0.5 allows Information Exposure in responses to mail-gateway REST API calls.
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Analysis
by VulDB Data Team • 02/01/2026
The vulnerability identified as CVE-2023-41260 affects Best Practical Request Tracker (RT) versions prior to 4.4.7 and 5.x versions prior to 5.0.5, specifically concerning information exposure through mail-gateway REST API calls. This issue represents a significant security weakness that could potentially compromise sensitive data within organizations relying on RT for ticket management and communication handling. The vulnerability stems from improper handling of responses within the mail-gateway REST API interface, which may inadvertently expose internal system information to unauthorized parties. The affected RT versions demonstrate a critical flaw in their API response mechanisms where sensitive metadata or system details are included in the responses to mail-gateway API calls, creating potential attack vectors for malicious actors seeking to gather intelligence about the underlying system infrastructure. This vulnerability aligns with CWE-200, which specifically addresses information exposure, and represents a clear violation of data protection principles where system internals are disclosed to external entities without proper access controls. The mail-gateway functionality in RT is designed to handle email integration and automated ticket creation, making it a critical component for system communication and potentially a prime target for attackers seeking to understand system configurations.
The technical flaw manifests when the mail-gateway REST API processes incoming requests and generates responses that contain more information than necessary for legitimate operational purposes. This information exposure occurs during the handling of email gateway interactions where the API response may include internal system paths, configuration details, error messages, or other metadata that should remain confidential. The vulnerability does not require authentication for exploitation, making it particularly dangerous as it can be triggered by any external party capable of sending requests to the mail-gateway API endpoint. Attackers could leverage this exposure to gather information about the RT installation, underlying server configurations, database structures, or even network topology details that could aid in subsequent attacks. The improper response handling mechanism creates a situation where the system inadvertently becomes a source of reconnaissance data, violating fundamental security principles of least privilege and information hiding. This type of vulnerability is particularly concerning in enterprise environments where RT systems may be exposed to external networks or where multiple organizations share the same infrastructure components.
The operational impact of CVE-2023-41260 extends beyond simple information disclosure to potentially enable more sophisticated attacks that could lead to full system compromise. An attacker who successfully exploits this vulnerability could gather detailed information about the RT system architecture, which might reveal version-specific weaknesses, configuration parameters, or integration points that could be targeted in subsequent attacks. This information exposure could facilitate attacks such as privilege escalation, denial of service, or even lateral movement within a network where RT systems are integrated with other enterprise applications. The vulnerability creates a persistent risk that remains active until the affected RT versions are patched, as the exposed information could be systematically harvested over time to build comprehensive attack profiles. Organizations using RT in production environments face potential compliance violations, as the exposure of internal system information may violate data protection regulations and security standards such as those outlined in the NIST Cybersecurity Framework and ISO 27001 requirements for information security management. The risk is compounded by the fact that RT is commonly used in customer service, help desk, and IT operations environments where sensitive data flows through the system.
Mitigation strategies for CVE-2023-41260 primarily involve immediate patching of affected RT installations to versions 4.4.7 or 5.0.5 and later, which contain the necessary fixes for proper API response handling. Organizations should implement network segmentation to limit access to the mail-gateway API endpoints, ensuring that only authorized systems can communicate with these interfaces. Configuration reviews should be conducted to ensure that API responses are properly sanitized and that no unnecessary system information is included in the output. Security monitoring should be enhanced to detect unusual patterns of API access that might indicate exploitation attempts, with particular attention to mail-gateway API endpoints. The implementation of web application firewalls and API gateways can provide additional layers of protection by filtering and sanitizing API responses before they reach external systems. Regular security assessments and penetration testing should be conducted to identify similar information exposure vulnerabilities in other system components. Organizations should also establish monitoring procedures to track API usage patterns and implement automated alerting for anomalous access attempts to critical system interfaces. The remediation process should include comprehensive testing to ensure that the patch does not introduce regressions in legitimate functionality while effectively addressing the information exposure vulnerability.