CVE-2011-1867 in User Access Manager
Summary
by MITRE
Stack-based buffer overflow in iNodeMngChecker.exe in the User Access Manager (UAM) 5.0 before SP1 E0101P03 and Endpoint Admission Defense (EAD) 5.0 before SP1 E0101P03 components in HP Intelligent Management Center (aka iNode Management Center) allows remote attackers to execute arbitrary code via a 0x0A0BF007 packet.
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Analysis
by VulDB Data Team • 12/28/2024
The vulnerability identified as CVE-2011-1867 represents a critical stack-based buffer overflow flaw in HP's iNode Management Center software ecosystem. This vulnerability specifically affects the User Access Manager component version 5.0 before service pack 1 E0101P03 and the Endpoint Admission Defense component version 5.0 before the same service pack. The flaw manifests within the iNodeMngChecker.exe executable which serves as a critical management component responsible for handling various network communications and access control functions. The vulnerability arises from inadequate input validation mechanisms that fail to properly check buffer boundaries when processing incoming network packets, creating a condition where maliciously crafted data can overwrite adjacent memory locations on the stack.
The technical exploitation of this vulnerability occurs through the transmission of a specially crafted packet with the specific identifier 0x0A0BF007. This packet format triggers the buffer overflow condition within the iNodeMngChecker.exe process, allowing remote attackers to manipulate the program execution flow by overwriting return addresses and function pointers stored on the stack. The CWE-121 classification applies directly to this vulnerability as it represents a classic stack-based buffer overflow where insufficient bounds checking permits data to overwrite adjacent stack memory locations. This type of vulnerability falls under the ATT&CK technique T1059.007 for Command and Scripting Interpreter and T1203 for Exploitation for Client Execution, as successful exploitation enables arbitrary code execution on the targeted system.
The operational impact of this vulnerability extends beyond simple remote code execution, as it provides attackers with potential full system compromise capabilities within the HP Intelligent Management Center environment. The affected components serve as central management interfaces for network access control and endpoint security policies, making successful exploitation particularly dangerous for organizations relying on these systems. Attackers could leverage this vulnerability to gain unauthorized access to sensitive network management functions, potentially enabling them to manipulate access controls, modify security policies, or establish persistent backdoors within the managed network environment. The remote nature of the attack vector means that exploitation can occur from any network location without requiring physical access to the target system, significantly expanding the potential attack surface.
Organizations affected by this vulnerability should implement immediate mitigations including applying the vendor-provided service pack 1 E0101P03 updates for both UAM and EAD components. Network segmentation strategies should be implemented to limit access to the affected systems, particularly restricting direct internet exposure of the iNode Management Center services. Additional protective measures include deploying intrusion detection systems to monitor for the specific packet signature 0x0A0BF007 and implementing network access controls to restrict communication between the management center and potentially compromised endpoints. The vulnerability demonstrates the critical importance of timely patch management for enterprise security infrastructure components, as unpatched management systems can provide attackers with privileged access points within network environments. Security monitoring should focus on detecting anomalous network traffic patterns associated with the vulnerable packet formats and unusual process execution behaviors that may indicate exploitation attempts.