CVE-2006-5813 in eDirectory
Summary
by MITRE
Unspecified vulnerability in Novell eDirectory 8.8 allows attackers to cause a denial of service, as demonstrated by vd_novell3.pm, a "Novell eDirectory 8.8 DoS." NOTE: As of 20061108, this disclosure has no actionable information. However, since it is from a reliable researcher, it is being assigned a CVE identifier for tracking purposes.
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Analysis
by VulDB Data Team • 04/27/2026
The vulnerability identified as CVE-2006-5813 represents a significant security concern within Novell eDirectory 8.8, a widely deployed directory service solution that serves as the foundation for enterprise identity management and authentication services. This unspecified vulnerability specifically targets the directory service's stability and availability, creating potential risks for organizations that depend on continuous directory service operations. The vulnerability was disclosed by a reliable researcher and subsequently assigned a CVE identifier for tracking purposes, indicating that while initial details were limited, the issue warranted formal recognition within the security community. The reference to vd_novell3.pm suggests this vulnerability manifests through specific monitoring or detection mechanisms that were designed to identify the DoS condition in Novell eDirectory 8.8 environments.
The technical nature of this vulnerability lies in its ability to induce a denial of service condition within the Novell eDirectory 8.8 platform, potentially disrupting critical enterprise services that rely on directory authentication and access control. Directory services form the backbone of enterprise security infrastructure, making any vulnerability that affects their availability particularly concerning. The unspecified nature of the flaw indicates that the exact mechanism of exploitation was not fully detailed in the initial disclosure, though the classification as a DoS vulnerability suggests that attackers could potentially disrupt service availability through carefully crafted requests or conditions. This type of vulnerability falls under the broader category of availability attacks that target the fundamental operational integrity of enterprise systems, with potential implications for business continuity and security operations.
The operational impact of this vulnerability extends beyond simple service disruption, as Novell eDirectory 8.8 serves as a critical component in enterprise authentication frameworks that support numerous applications and services. Organizations relying on this directory service could experience cascading failures when the DoS condition is triggered, potentially affecting user authentication, access control enforcement, and integration with other enterprise systems. The vulnerability's potential to cause sustained service disruption could result in significant business impact, particularly for organizations with high availability requirements. From a security perspective, this DoS condition may also serve as a precursor to more sophisticated attacks, as it could be used to create cover for other malicious activities or to test system resilience. The vulnerability's classification under CWE categories related to denial of service and unspecified flaws indicates that it represents a fundamental weakness in the directory service implementation that could be exploited to compromise system availability.
Mitigation strategies for this vulnerability should focus on immediate protective measures including network segmentation, access controls, and monitoring for unusual patterns that might indicate exploitation attempts. Organizations should implement comprehensive monitoring solutions that can detect the specific conditions described in the vd_novell3.pm module to identify potential DoS attacks against their Novell eDirectory 8.8 installations. The lack of actionable information at the time of disclosure suggests that organizations should maintain vigilance and closely monitor security advisories from Novell and security vendors for updated information about exploitation techniques and remediation strategies. System administrators should also consider implementing redundant directory services or failover mechanisms to maintain availability during potential exploitation attempts. According to ATT&CK framework considerations, this vulnerability would be categorized under the denial of service tactics, potentially intersecting with privilege escalation and persistence techniques if attackers leverage the service disruption for additional malicious activities. Organizations should also review their incident response procedures to ensure preparedness for potential DoS conditions that could affect their directory services and overall security infrastructure.