CVE-2012-4841 in Tivoli Endpoint Manager
Summary
by MITRE
Unspecified vulnerability in Tivoli Endpoint Manager for Remote Control Broker 8.2 before 8.2.1-TIV-TEMRC821-IF0002 allows remote attackers to cause a denial of service (resource consumption) via unknown vectors.
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Analysis
by VulDB Data Team • 02/07/2018
The vulnerability identified as CVE-2012-4841 affects IBM Tivoli Endpoint Manager for Remote Control Broker version 8.2 prior to 8.2.1-TIV-TEMRC821-IF0002, representing a critical security flaw that enables remote attackers to execute denial of service attacks against affected systems. This vulnerability resides within the remote control broker component of IBM's endpoint management solution, which serves as a central hub for remote desktop and system management operations across enterprise networks. The unspecified nature of the attack vectors suggests that multiple pathways exist for exploitation, making the vulnerability particularly concerning for security teams tasked with protecting large-scale enterprise infrastructures.
The technical flaw manifests as a resource consumption issue that allows attackers to exhaust system resources through unspecified means, ultimately leading to service disruption. This type of vulnerability typically involves improper input validation or resource management within the broker's processing logic, where malicious inputs or crafted requests can cause the system to consume excessive CPU cycles, memory, or other critical system resources. The vulnerability operates at the application layer and can be exploited remotely without requiring authentication, making it particularly dangerous as it can be leveraged by any attacker with network access to the affected system. From a cybersecurity perspective, this vulnerability aligns with CWE-400, which categorizes resource exhaustion issues as a fundamental weakness in software design that can lead to system instability and service disruption.
The operational impact of this vulnerability extends beyond simple service interruption, as it can severely compromise the availability of remote management capabilities that organizations rely upon for system maintenance, troubleshooting, and security operations. When exploited successfully, the denial of service condition can prevent legitimate administrators from accessing systems through the Tivoli Endpoint Manager infrastructure, creating a cascading effect that impacts broader IT operations and potentially leaving systems vulnerable to other attack vectors. Organizations that depend on remote management for critical infrastructure operations face significant risk, as the vulnerability can be exploited to create unauthorized service disruption that may go undetected for extended periods. The attack surface is particularly broad given that the Tivoli Endpoint Manager is commonly deployed in enterprise environments where it manages thousands of endpoints, making the potential impact of a successful exploitation substantial.
Organizations should prioritize immediate remediation through the application of IBM's official patch, which addresses the vulnerability through improved resource management and input validation mechanisms. The patch implementation should be coordinated with existing change management processes to ensure minimal disruption to ongoing operations, while also verifying that the update does not introduce compatibility issues with existing remote management workflows. Security monitoring should be enhanced to detect anomalous resource consumption patterns that might indicate exploitation attempts, and network segmentation strategies should be reviewed to limit the potential impact of successful attacks. From a threat modeling perspective, this vulnerability should be considered within the context of the ATT&CK framework's privilege escalation and defense evasion techniques, as attackers may leverage resource exhaustion to create cover for other malicious activities or to establish persistent access conditions. Additionally, organizations should conduct vulnerability assessments to identify other potentially affected systems within their network that might be running the same vulnerable software versions, and implement network-based intrusion detection systems to monitor for exploitation attempts.