CVE-2002-0711 in Trucluster Server
Summary
by MITRE
Unknown vulnerability in Cluster Interconnect for HP TruCluster Server 5.0A, 5.1, and 5.1A may allow local and remote attackers to cause a denial of service.
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Analysis
by VulDB Data Team • 10/25/2024
The vulnerability identified as CVE-2002-0711 affects the Cluster Interconnect component of HP TruCluster Server versions 5.0A, 5.1, and 5.1A, representing a significant security weakness that could be exploited by both local and remote attackers to disrupt system operations. This issue falls under the broader category of denial of service vulnerabilities, specifically targeting the interconnect mechanisms that enable communication between cluster nodes in high-availability environments.
The technical flaw within the Cluster Interconnect implementation stems from inadequate input validation and error handling mechanisms that govern how cluster nodes process communication messages and maintain connectivity state information. When malformed or specially crafted network packets are transmitted to the cluster interconnect layer, the system fails to properly validate the incoming data structures, leading to potential buffer overflows, memory corruption, or state machine inconsistencies. This vulnerability is particularly concerning because it operates at the network communication layer where cluster nodes maintain critical coordination and failover mechanisms, making it a prime target for attackers seeking to compromise system availability.
The operational impact of this vulnerability extends beyond simple service disruption, as it can potentially cause complete cluster failure or node isolation within the TruCluster environment. Attackers exploiting this weakness could initiate cascading failures across multiple cluster members, resulting in extended downtime for critical applications that depend on the high-availability infrastructure. The vulnerability's remote exploitability means that attackers need not have physical access to the system, as network-based attacks can be launched from external locations, significantly expanding the attack surface and threat vector.
From a cybersecurity perspective, this vulnerability demonstrates the importance of robust input validation and secure coding practices in distributed systems where reliability and availability are paramount. The flaw aligns with common weaknesses described in CWE categories related to improper input validation and buffer overflows, which are frequently cited in enterprise security assessments and vulnerability management frameworks. Organizations utilizing HP TruCluster Server environments should consider implementing network segmentation and access controls to limit exposure, while also monitoring for unusual network traffic patterns that might indicate exploitation attempts. The vulnerability also relates to ATT&CK techniques focusing on denial of service and system compromise through network-based attacks.
Mitigation strategies should include immediate implementation of vendor-provided security patches or updates, network monitoring for anomalous interconnect traffic, and configuration hardening of cluster communication protocols. System administrators should also consider implementing intrusion detection systems that can identify potential exploitation attempts targeting cluster interconnect protocols, while maintaining detailed logging of cluster communication activities to facilitate forensic analysis if incidents occur. Regular security assessments of clustered environments are essential to identify similar vulnerabilities in other components of the high-availability infrastructure that may present comparable risks to system stability and availability.