CVE-2008-3537 in OpenView Network Node Manager
Summary
by MITRE
Unspecified vulnerability in ovalarmsrv in HP OpenView Network Node Manager (OV NNM) 7.01, 7.51, and 7.53 allows remote attackers to cause a denial of service via unknown vectors, a different vulnerability than CVE-2008-3536.
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Analysis
by VulDB Data Team • 08/16/2019
The vulnerability identified as CVE-2008-3537 represents a critical security flaw within HP OpenView Network Node Manager's ovalarmsrv component, affecting versions 7.01, 7.51, and 7.53. This issue falls under the category of unspecified remote denial of service vulnerabilities, indicating that the exact technical mechanism remains undisclosed while the impact on system availability is significant. The ovalarmsrv service operates as a core component responsible for alarm management and network monitoring within the HP OpenView environment, making it a prime target for attackers seeking to disrupt network operations and compromise system reliability. This vulnerability specifically affects the alarm server functionality that processes and manages network events, potentially allowing unauthorized actors to exploit weaknesses in the service's handling of incoming data or requests.
The technical nature of this vulnerability stems from insufficient input validation and error handling mechanisms within the ovalarmsrv service, which fails to properly process malformed or maliciously crafted data packets. When remote attackers send specially crafted inputs to the affected service, the system experiences abnormal behavior that results in service termination or system instability. The vulnerability operates at the application layer and leverages the service's network listening capabilities to execute denial of service attacks without requiring authentication or elevated privileges. This characteristic places the vulnerability in the category of remote code execution risks that can be exploited from any network location, making it particularly dangerous in enterprise environments where network monitoring systems are critical for operational continuity. The unspecified nature of the attack vectors suggests that multiple pathways exist for exploitation, potentially including buffer overflows, memory corruption issues, or improper state handling within the alarm processing routines.
The operational impact of CVE-2008-3537 extends beyond simple service disruption to encompass broader network monitoring failures that can compromise overall system reliability and network visibility. Organizations utilizing HP OpenView Network Node Manager in production environments face significant risk of operational downtime when this vulnerability is exploited, as the alarm server failure directly impacts network monitoring capabilities and event correlation functions. The denial of service condition can persist until manual intervention occurs, requiring system administrators to restart the affected service or potentially reboot entire network monitoring infrastructure. This vulnerability particularly affects enterprise networks that rely heavily on automated monitoring and alerting systems, as the loss of alarm processing capability can result in undetected network issues and delayed incident response times. The impact is compounded by the fact that network administrators may not immediately recognize the service failure as being related to this specific vulnerability, leading to extended periods of reduced network visibility.
Mitigation strategies for CVE-2008-3537 should prioritize immediate patch application from HP, as the vendor likely released specific security updates to address the vulnerability. Network segmentation and firewall rules should be implemented to restrict access to the ovalarmsrv service to only trusted administrative networks, reducing the attack surface available to potential threat actors. Additionally, implementing network monitoring solutions that can detect unusual service behavior or connection patterns may help identify exploitation attempts before they succeed. System administrators should also establish robust backup and recovery procedures for the network monitoring infrastructure, ensuring that alternative monitoring capabilities exist during vulnerability remediation periods. Organizations should consider implementing intrusion detection systems that can identify suspicious network traffic patterns associated with denial of service attacks targeting network management services. The vulnerability aligns with attack patterns described in the ATT&CK framework under the service execution and denial of service tactics, while the unspecified nature of the flaw suggests potential weaknesses in the software's defensive mechanisms that should be addressed through comprehensive security assessments. According to CWE categorization, this vulnerability likely relates to CWE-119, which covers weaknesses in memory management, or CWE-20, which addresses input validation issues, making it critical to address through both immediate patching and long-term security hardening measures.