CVE-2004-2420 in Jp1 P-1j41-9471
Summary
by MITRE
Hitachi Job Management Partner (JP1) JP1/File Transmission Server/FTP 6 and 7 allows remote attackers to cause a denial of service (daemon halt) via a port scan involving reset packets.
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Analysis
by VulDB Data Team • 07/19/2017
The Hitachi Job Management Partner JP1 represents a critical infrastructure component designed for file transmission and job management within enterprise environments. This system operates as an FTP server daemon that facilitates automated file transfers and job scheduling processes. The vulnerability resides within the daemon implementation where improper handling of network connection states leads to system instability. Specifically, when the system encounters certain patterns of network traffic involving reset packets during port scanning activities, the daemon fails to maintain proper state management and subsequently halts operations. This behavior constitutes a fundamental flaw in the system's network protocol handling capabilities and demonstrates inadequate error recovery mechanisms.
The technical exploitation of this vulnerability occurs through network reconnaissance activities that involve systematic port scanning techniques. Attackers can trigger the denial of service condition by sending carefully crafted reset packets to specific ports that the JP1 daemon monitors. The daemon's failure to properly process these reset signals results in an unhandled exception that causes the entire daemon process to terminate abruptly. This vulnerability directly maps to CWE-122, which describes improper handling of exceptions in network protocols, and represents a classic example of a resource exhaustion or daemon termination attack. The flaw exists at the protocol stack level where the system fails to implement robust state machine management for connection handling, leading to complete service disruption.
The operational impact of this vulnerability extends beyond simple service interruption to encompass broader business continuity concerns. When the JP1 daemon halts, all automated file transmission processes and job scheduling activities cease immediately, potentially disrupting critical business operations that depend on timely data processing and transfer. Organizations utilizing this system may experience cascading failures as dependent applications lose connectivity to the file transfer infrastructure. The vulnerability affects both versions 6 and 7 of the JP1/File Transmission Server/FTP implementation, indicating a persistent architectural weakness that was not adequately addressed through version updates. This denial of service condition can be triggered remotely without requiring authentication, making it particularly dangerous as any network-connected attacker can exploit the vulnerability.
Mitigation strategies for this vulnerability should focus on implementing network-level protections and system hardening measures. Organizations should deploy firewall rules that limit port scanning activities and implement rate limiting for network connections to prevent the specific reset packet patterns from reaching the vulnerable daemon. Network segmentation can help isolate the JP1 system from general network traffic, reducing exposure to malicious scanning activities. Additionally, system administrators should consider implementing intrusion detection systems that can identify and alert on suspicious network patterns associated with this vulnerability. The implementation of redundant systems and failover mechanisms can help maintain business continuity during exploitation attempts. Regular system updates and patches should be applied to address known vulnerabilities, while monitoring protocols should be established to detect abnormal daemon behavior. From an ATT&CK framework perspective, this vulnerability aligns with techniques involving service stoppage and denial of service attacks, specifically targeting the execution and privilege escalation phases of an attack lifecycle.