CVE-2014-4781 in InfoSphere BigInsights
Summary
by MITRE
The alert module in IBM InfoSphere BigInsights 2.1.2 and 3.x before 3.0.0.2 allows remote attackers to obtain sensitive Alert management-services API information via a network-tracing attack.
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Analysis
by VulDB Data Team • 06/21/2017
The vulnerability identified as CVE-2014-4781 resides within the alert module of IBM InfoSphere BigInsights versions 2.1.2 and 3.x prior to 3.0.0.2. This critical security flaw enables remote attackers to extract sensitive information from the Alert management-services API through network-tracing techniques. The vulnerability specifically affects distributed big data platforms where alerting mechanisms are critical for monitoring system health and detecting potential security incidents. Organizations utilizing these versions of BigInsights face significant risks as the exposed API information could provide attackers with insights into the system's alerting infrastructure and potentially reveal operational details that could be leveraged for further attacks.
The technical implementation of this vulnerability stems from inadequate input validation and insufficient access controls within the alert module's API endpoints. When network tracing is performed against the management services, the system fails to properly sanitize or restrict access to sensitive alert-related data that should only be accessible to authorized administrative users. This represents a classic example of information disclosure vulnerability where the system unintentionally exposes internal operational details through its network interfaces. The flaw operates at the application layer and can be exploited without requiring authentication, making it particularly dangerous for environments where network visibility is high and monitoring systems are accessible from external networks.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with valuable intelligence that could be used in subsequent attack phases. The exposed Alert management-services API information may include details about alert thresholds, notification mechanisms, alert correlation rules, and potentially even system configurations that could be used to craft more sophisticated attacks. This vulnerability aligns with CWE-200, which categorizes information exposure flaws, and represents a significant risk to organizations that rely on BigInsights for data processing and analysis. The exposure of alerting infrastructure information could enable attackers to understand how the system detects anomalies, potentially allowing them to evade detection or target specific alerting mechanisms to disrupt monitoring capabilities.
Organizations affected by this vulnerability should implement immediate mitigations including updating to IBM InfoSphere BigInsights version 3.0.0.2 or later, which contains the necessary patches to address the information disclosure issue. Network segmentation and firewall rules should be implemented to restrict access to the alert management services API endpoints, particularly from untrusted networks. Additionally, organizations should review their network monitoring practices to detect potential exploitation attempts and ensure that appropriate access controls are in place for the alerting infrastructure. The remediation process should also include disabling unnecessary API endpoints and implementing proper authentication mechanisms for alert management services to prevent unauthorized access to sensitive operational information. This vulnerability demonstrates the importance of securing management interfaces in distributed systems and highlights the need for comprehensive security testing of all application components, particularly those handling sensitive operational data.