CVE-2005-4323 in Groupmax Collaboration Web Client
Summary
by MITRE
Unspecified vulnerability in Hitachi Cosminexus Collaboration Portal 06-00 through 06-10-/B, Groupmax Collaboration Portal 07-00 through 07-10-/B, and Groupmax Collaboration Web Client 07-00 through 07-10-/A allow remote attackers to cause a denial of service of unspecified impact via repeated invalid requests to the Schedule component.
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Analysis
by VulDB Data Team • 06/24/2018
The vulnerability described in CVE-2005-4323 represents a denial of service flaw affecting several Hitachi collaboration portal products including Cosminexus Collaboration Portal versions 06-00 through 06-10-/B and Groupmax Collaboration Portal versions 07-00 through 07-10-/B along with the Groupmax Collaboration Web Client 07-00 through 07-10-/A. This issue specifically targets the Schedule component of these systems, demonstrating a classic resource exhaustion attack vector that can disrupt normal service operations. The vulnerability is classified as unspecified in terms of its exact nature but clearly indicates a weakness in how the systems handle malformed or invalid requests, particularly those directed toward scheduling functionality.
The technical flaw manifests when remote attackers exploit the system's inadequate input validation mechanisms within the Schedule component. When repeated invalid requests are sent to this particular module, the system fails to properly handle these malformed inputs, leading to resource consumption issues that ultimately result in service disruption. This behavior aligns with common denial of service patterns where insufficient error handling or input sanitization allows attackers to consume system resources through repeated malicious requests. The vulnerability operates at the application layer and represents a failure in proper request processing and error recovery mechanisms.
From an operational impact perspective, this vulnerability creates significant risk for organizations relying on these collaboration platforms for business operations. The denial of service condition can prevent users from accessing scheduling functionality, which is often critical for business coordination and planning activities. The unspecified impact suggests that the actual consequences could range from partial service degradation to complete system unavailability, depending on the specific implementation and system resources. Organizations may experience productivity losses, communication disruptions, and potential business continuity issues when such vulnerabilities are exploited in production environments.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and request rate limiting mechanisms within the Schedule component. System administrators should consider deploying intrusion detection systems to monitor for unusual request patterns that might indicate exploitation attempts. Additionally, applying vendor-provided patches or updates to the affected software versions would address the underlying implementation flaws. The vulnerability demonstrates the importance of robust error handling in web applications and aligns with CWE-400 which categorizes "Uncontrolled Resource Consumption" as a critical weakness. From an attacker perspective, this vulnerability maps to ATT&CK technique T1499.004 for network denial of service attacks, emphasizing the need for proper resource management and input validation controls. Organizations should also implement monitoring solutions to detect and respond to abnormal request patterns that could indicate exploitation attempts against this or similar vulnerabilities.