CVE-2016-0396 in Tivoli Endpoint Manager
Summary
by MITRE
IBM Tivoli Endpoint Manager could allow a user under special circumstances to inject commands that would be executed with unnecessary higher privileges than expected.
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Analysis
by VulDB Data Team • 08/08/2020
The vulnerability identified as CVE-2016-0396 resides within IBM Tivoli Endpoint Manager, a comprehensive systems management solution designed to monitor and manage endpoints across enterprise environments. This security flaw represents a privilege escalation issue that could potentially allow malicious actors to execute commands with elevated privileges beyond what was initially intended. The vulnerability specifically manifests under certain special circumstances, suggesting that exploitation requires specific environmental conditions or user actions that create the appropriate attack vector.
The technical root cause of this vulnerability stems from improper privilege handling within the Tivoli Endpoint Manager framework. When certain commands are processed through the management console, the system fails to adequately validate or restrict the privilege levels associated with command execution. This weakness creates an opportunity for attackers to manipulate command sequences in a way that bypasses normal privilege boundaries. The flaw likely involves insufficient input validation or improper privilege separation mechanisms that allow a user with lower privileges to inject commands that subsequently execute with higher privileges than anticipated. This type of vulnerability aligns with CWE-276, which addresses improper privilege management, and represents a classic example of privilege escalation through command injection mechanisms.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it could enable attackers to gain unauthorized access to critical system resources and potentially compromise entire endpoint environments. Organizations relying on Tivoli Endpoint Manager for system management would face significant security risks if this vulnerability were exploited, as it could allow attackers to execute arbitrary code with elevated privileges. The implications are particularly concerning in enterprise settings where endpoint managers often have broad access to system resources and configuration data. Attackers could potentially leverage this vulnerability to install malware, modify system configurations, or access sensitive data that would normally be protected by privilege controls. The special circumstances required for exploitation suggest that this vulnerability may be difficult to trigger consistently but represents a serious risk when conditions align properly.
Mitigation strategies for CVE-2016-0396 should focus on immediate patch application from IBM, as this represents a known vulnerability requiring vendor-supplied fixes. Organizations should also implement additional security controls including strict access controls for Tivoli Endpoint Manager administrative functions, monitoring of command execution logs, and regular privilege audits to detect unauthorized privilege escalation attempts. Network segmentation and least privilege principles should be enforced to limit the potential impact of any successful exploitation attempts. Security teams should also consider implementing behavioral monitoring solutions that can detect anomalous command execution patterns that might indicate privilege escalation attempts. The vulnerability demonstrates the importance of proper privilege management in enterprise management systems and highlights the need for regular security assessments of critical infrastructure tools that handle privileged operations. Organizations should also review their incident response procedures to ensure they can effectively respond to potential privilege escalation attacks targeting their endpoint management infrastructure.