CVE-2008-0704 in OpenVMS
Summary
by MITRE
Unspecified vulnerability in the SSH server in HP OpenVMS TCP/IP Services on OpenVMS on the Alpha platform with 5.4 before ECO 7, and on the Integrity and Alpha platforms with 5.5 before ECO 3 and 5.6 before ECO 2, allows remote attackers to obtain unspecified access via unknown vectors.
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Analysis
by VulDB Data Team • 11/14/2017
The vulnerability identified as CVE-2008-0704 represents a critical security flaw within the SSH server implementation of HP OpenVMS TCP/IP Services across multiple platform architectures. This issue affects specific versions of the OpenVMS operating system, particularly the Alpha platform running version 5.4 before ECO 7, and the Integrity and Alpha platforms operating at versions 5.5 before ECO 3 and 5.6 before ECO 2. The unspecified nature of the vulnerability's exact mechanism makes this flaw particularly concerning for security professionals who must assess potential attack surfaces without complete technical details. The vulnerability resides within the SSH server component that governs secure remote access capabilities for OpenVMS systems, potentially compromising the integrity of remote administrative sessions and unauthorized access to critical system resources.
The technical implementation of this vulnerability stems from weaknesses in the SSH server's handling of authentication and connection management processes within HP OpenVMS environments. While the precise vector remains unspecified, such vulnerabilities typically involve buffer overflows, improper input validation, or authentication bypass mechanisms that could allow remote attackers to exploit the system without proper credentials. The affected platforms include the Alpha architecture which historically supported various OpenVMS configurations, and the Integrity platform which represents HP's enterprise-grade computing environment. The vulnerability's presence in these specific ECO (Engineering Change Order) releases indicates that the flaw existed in the baseline implementations before specific security patches were applied, suggesting a fundamental weakness in the cryptographic or authentication mechanisms that underpin secure remote access.
From an operational perspective, this vulnerability presents significant risks to organizations relying on OpenVMS systems for mission-critical operations, particularly those utilizing remote administration capabilities through SSH protocols. The unspecified access granted to remote attackers could potentially enable full system compromise, data exfiltration, or disruption of business-critical services. The impact extends beyond simple unauthorized access as the vulnerability could facilitate privilege escalation, persistent backdoor establishment, or lateral movement within network environments where OpenVMS systems serve as gateways or core infrastructure components. Organizations with legacy OpenVMS deployments face particular exposure given the specialized nature of these systems and the limited availability of security patches for older versions. The vulnerability's remote exploitability means that attackers need not be physically present within the network perimeter, making it a particularly dangerous flaw for systems accessible over the internet or public networks.
The remediation approach for CVE-2008-0704 requires immediate implementation of vendor-provided security patches and ECO updates for the affected OpenVMS versions. System administrators must prioritize upgrading to the patched versions that address the unspecified vulnerability, particularly for systems handling sensitive data or serving as critical infrastructure components. Network segmentation and firewall restrictions should be implemented to limit access to SSH services until patches are deployed, following principle of least privilege configurations. The vulnerability aligns with CWE-119 which addresses weaknesses in memory handling, and potentially CWE-284 which deals with improper access control mechanisms in network services. Organizations should also consider implementing intrusion detection systems that monitor for unusual SSH connection patterns or authentication attempts that might indicate exploitation attempts. Regular security assessments and vulnerability scanning of OpenVMS environments are essential to identify similar issues that may not yet be publicly disclosed. The ATT&CK framework categorizes such vulnerabilities under privilege escalation and remote access techniques, emphasizing the need for comprehensive monitoring and response capabilities to address potential exploitation attempts.