CVE-2001-0840 in Insight Manager XE
Summary
by MITRE
Buffer overflow in Compaq Insight Manager XE 2.1b and earlier allows remote attackers to execute arbitrary code via (1) SNMP and (2) DMI.
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Analysis
by VulDB Data Team • 10/03/2025
The vulnerability identified as CVE-2001-0840 represents a critical buffer overflow flaw affecting Compaq Insight Manager XE version 2.1b and earlier implementations. This vulnerability exists within the network management software designed for monitoring and managing Compaq hardware systems, specifically impacting the SNMP and DMI protocol handling mechanisms. The buffer overflow occurs when the application processes incoming data through these communication channels without proper input validation or bounds checking, creating an exploitable condition that can be leveraged by remote attackers to gain unauthorized system access.
The technical nature of this vulnerability stems from improper memory management within the Compaq Insight Manager application where insufficient boundary checks allow maliciously crafted input data to overwrite adjacent memory locations. When SNMP (Simple Network Management Protocol) or DMI (Desktop Management Interface) packets are received, the application fails to validate the length or content of these packets before processing them into fixed-size buffers. This fundamental flaw enables attackers to craft specially formatted packets that exceed the allocated buffer space, causing a stack overflow condition that can be manipulated to redirect program execution flow.
The operational impact of this vulnerability is severe as it provides remote attackers with the capability to execute arbitrary code on affected systems without requiring any authentication or local access. This represents a significant compromise of system integrity and confidentiality, as attackers can potentially gain full administrative control over the managed hardware infrastructure. The vulnerability affects not only individual systems but also the broader network management ecosystem that relies on Compaq Insight Manager for monitoring and control functions, potentially enabling attackers to compromise multiple devices within the networked environment.
Organizations utilizing Compaq Insight Manager XE 2.1b or earlier versions face substantial risk from this vulnerability, as it can be exploited from any network location without requiring physical access or legitimate credentials. The attack surface is particularly concerning given that SNMP and DMI are commonly used protocols in enterprise network management environments, making this vulnerability highly attractive to attackers seeking persistent access to critical infrastructure. This flaw directly aligns with CWE-121, which categorizes buffer overflow conditions as a fundamental memory safety issue, and maps to ATT&CK technique T1059.007 for remote code execution through network protocols.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected systems with the vendor-supplied security updates. Organizations must also implement network segmentation and access control measures to limit exposure of management interfaces to trusted networks only. Additional protective measures include disabling unnecessary SNMP and DMI services, implementing network monitoring to detect anomalous packet patterns, and establishing robust incident response procedures. The vulnerability demonstrates the critical importance of proper input validation and memory management in network management applications, highlighting the need for comprehensive security testing and regular vulnerability assessments of enterprise management tools.