CVE-2005-4716 in TP1
Summary
by MITRE
Hitachi TP1/Server Base and TP1/NET/Library 2 on IBM AIX allow remote attackers to (1) cause a denial of service (OpenTP1 system outage) via invalid data to a port used by a system-server process, and (2) cause a denial of service (process failure) via invalid data to a port used by any of certain other processes.
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Analysis
by VulDB Data Team • 07/31/2017
The vulnerability identified as CVE-2005-4716 affects Hitachi TP1/Server Base and TP1/NET/Library 2 software components running on IBM AIX operating systems. This security flaw represents a significant concern for organizations relying on Hitachi's transaction processing solutions, as it exposes multiple attack vectors that can lead to system-wide outages and service disruption. The vulnerability specifically targets the communication protocols used by these systems, making it particularly dangerous in enterprise environments where transaction processing reliability is critical. The affected software components operate at the system level, processing data through various network ports that serve different functions within the transaction processing framework.
The technical implementation of this vulnerability stems from insufficient input validation mechanisms within the network communication layers of the Hitachi TP1 software suite. When invalid data is transmitted to designated ports used by system-server processes or other operational processes, the software fails to properly handle malformed inputs, leading to unexpected termination of critical processes. This behavior manifests as denial of service conditions that can completely shut down the OpenTP1 system or cause individual processes to fail, depending on the specific port targeted. The vulnerability exploits the lack of proper error handling and data sanitization routines that should be implemented to protect against malformed network traffic. According to CWE classification, this vulnerability corresponds to CWE-129 Input Validation, specifically addressing inadequate validation of input data that can cause system instability or process termination.
The operational impact of CVE-2005-4716 extends beyond simple service disruption to potentially compromise business continuity and transaction processing capabilities within affected organizations. When the system-server process is targeted, the entire OpenTP1 system can experience complete outages, affecting all transaction processing activities and potentially leading to significant financial losses. Individual process failures can still cause substantial disruption to business operations, particularly in environments where multiple concurrent processes are required for normal operations. The remote nature of the attack means that threat actors can exploit this vulnerability from external networks without requiring physical access or local system privileges, making it particularly dangerous for systems connected to the internet. This vulnerability aligns with ATT&CK technique T1499.004 for Denial of Service, specifically targeting system and network resources through malformed data injection.
Organizations affected by this vulnerability should implement immediate mitigations to protect their transaction processing infrastructure. Network segmentation and firewall rules should be configured to restrict access to the vulnerable ports used by Hitachi TP1 processes, limiting exposure to unauthorized network traffic. Input validation should be enhanced at network boundaries and within application layers to filter out malformed data before it reaches critical system components. Regular security assessments and vulnerability scanning should be conducted to identify similar issues in other system components and ensure comprehensive protection against similar attack vectors. System monitoring should be enhanced to detect unusual patterns of process failures or network traffic that might indicate exploitation attempts. Additionally, organizations should maintain updated patches and security updates from Hitachi and IBM to address the root causes of this vulnerability and prevent similar issues from emerging in future software releases. The vulnerability demonstrates the importance of robust input validation and error handling in mission-critical systems, particularly those handling financial transactions and business-critical data processing operations.