CVE-2007-4562 in DABroker
Summary
by MITRE
Unspecified vulnerability in Hitachi DABroker before 03-02-/D and Cosminexus DABroker before 02-04-/C and 03-05-/E allows remote attackers to cause a denial of service (connection prevention) by sending "data unexpectedly through a port."
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Analysis
by VulDB Data Team • 09/07/2018
The vulnerability identified as CVE-2007-4562 affects Hitachi DABroker and Cosminexus DABroker software versions prior to specific patch releases. This represents a denial of service weakness that operates at the network protocol level, where malicious actors can disrupt service availability by transmitting data through ports in an unexpected manner. The unspecified nature of the vulnerability suggests a fundamental flaw in how these broker systems handle incoming data streams, particularly when the data does not conform to expected patterns or timing sequences.
The technical flaw manifests when the DABroker software encounters data transmission that deviates from normal operational parameters, specifically through port communication channels. This type of vulnerability typically stems from inadequate input validation and error handling mechanisms within the network protocol stack. The system fails to properly process or reject malformed data packets, leading to connection disruption and service unavailability. From a cybersecurity perspective, this vulnerability aligns with CWE-400, which covers unspecified vulnerabilities in input validation, and may also relate to CWE-119, concerning weaknesses in memory handling that could result from improper data processing. The attack vector involves remote exploitation through network ports, making it particularly dangerous as it requires no local access or authentication credentials.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise entire network infrastructure dependencies. Organizations relying on these broker systems for data transmission and integration may experience cascading failures where connection prevention leads to broader system outages. The vulnerability affects systems where data broker services are critical for business operations, potentially causing financial losses through extended downtime and operational disruption. From an attack methodology standpoint, this vulnerability maps to ATT&CK technique T1498, which covers network denial of service attacks, and could be leveraged as part of broader attack chains targeting system availability. The remote nature of the attack means that threat actors can exploit this weakness from anywhere on the network, making it particularly concerning for organizations with exposed network services.
Mitigation strategies for CVE-2007-4562 should focus on immediate software updates and patches provided by Hitachi and Cosminexus vendors. Organizations must implement network segmentation to isolate affected systems and deploy intrusion detection systems that can monitor for anomalous port traffic patterns. Configuration hardening measures should include implementing strict input validation rules and establishing robust error handling procedures within the broker software. Network administrators should consider implementing port filtering and access control lists to limit exposure of vulnerable services. Additionally, regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other network components. The remediation process must include thorough testing of patches in controlled environments before deployment to production systems to avoid introducing new operational issues while addressing the identified vulnerability.