CVE-2004-0917 in Application Portal
Summary
by MITRE
The default installation of Vignette Application Portal installs the diagnostic utility without authentication requirements, which allows remote attackers to gain sensitive information, such as server and OS version, and conduct unauthorized activities via an HTTP request to /diag.
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Analysis
by VulDB Data Team • 05/25/2019
The vulnerability described in CVE-2004-0917 represents a critical security flaw in the default configuration of Vignette Application Portal software, a content management platform widely used in enterprise environments during the early 2000s. This issue stems from poor security hardening practices where the diagnostic utility component is deployed with minimal access controls, creating an unintended attack surface that exposes sensitive system information to unauthorized users. The vulnerability specifically affects installations where the diagnostic utility remains enabled and accessible without proper authentication mechanisms, making it particularly dangerous in production environments where such diagnostic tools should never be exposed to external networks. The flaw demonstrates a fundamental failure in the principle of least privilege, where administrative tools designed for internal system monitoring are inadvertently made accessible to any remote attacker who can send HTTP requests to the designated endpoint.
The technical exploitation of this vulnerability occurs through simple HTTP requests directed to the /diag endpoint, which serves as an interface for system diagnostics and monitoring functions. When accessed without authentication, this utility reveals extensive server and operating system information including version numbers, configuration details, and potentially sensitive system parameters that could aid in crafting more sophisticated attacks. The diagnostic utility typically provides detailed system information such as server software versions, operating system details, installed components, and potentially even file system structures or database connection parameters. This information disclosure creates a significant risk for attackers who can use the gathered intelligence to identify specific vulnerabilities in the system components, understand the attack surface, and plan targeted exploitation strategies. The vulnerability is categorized under CWE-200, which specifically addresses Information Exposure, and represents a classic example of insecure default configurations that violate fundamental security principles.
The operational impact of this vulnerability extends beyond simple information disclosure, as it enables unauthorized activities that can lead to complete system compromise. Remote attackers can leverage the exposed diagnostic interface to gather intelligence for further exploitation attempts, including identifying vulnerable software versions, understanding system architecture, and potentially discovering additional attack vectors. The lack of authentication requirements means that any individual with network access to the affected system can exploit this vulnerability, making it particularly dangerous in environments where the application portal is accessible from untrusted networks or the internet. This vulnerability also violates several security frameworks and best practices, including the NIST Cybersecurity Framework's Identify and Protect functions, as it fails to properly identify and protect system components that should remain inaccessible to unauthorized users. The ability to conduct unauthorized activities through this interface could enable attackers to escalate privileges, access sensitive data, or use the gathered information to launch more targeted attacks against the system or network infrastructure.
Mitigation strategies for this vulnerability should focus on immediate configuration changes to restrict access to the diagnostic utility, including implementing proper authentication mechanisms, restricting network access to the diagnostic endpoint, and ensuring that such administrative tools are not exposed to external networks. Organizations should conduct comprehensive security assessments to identify all instances of this vulnerability across their infrastructure and implement network segmentation to isolate critical systems from unauthorized access. The recommended approach aligns with ATT&CK technique T1083, which addresses system information discovery, as organizations should implement proper access controls to prevent unauthorized discovery of system information. Additionally, this vulnerability highlights the importance of secure configuration management and proper security hardening practices, as outlined in ISO/IEC 27001 and other security standards. Regular security audits and penetration testing should be conducted to ensure that diagnostic and administrative tools are properly secured and that default installations do not expose sensitive system information to unauthorized parties. The vulnerability also underscores the necessity of implementing network access controls and firewall rules to restrict access to potentially dangerous endpoints, particularly those that provide system diagnostics and monitoring capabilities.