CVE-1999-0771 in Insight Management Agent
Summary
by MITRE
The web components of Compaq Management Agents and the Compaq Survey Utility allow a remote attacker to read arbitrary files via a .. (dot dot) attack.
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Analysis
by VulDB Data Team • 10/22/2025
The vulnerability identified as CVE-1999-0771 represents a critical directory traversal flaw within the web components of Compaq Management Agents and the Compaq Survey Utility. This weakness stems from insufficient input validation in the web interface components that process file requests, allowing malicious actors to manipulate path references through directory traversal sequences. The specific exploitation technique leverages the .. (dot dot) notation commonly used in file systems to navigate up directory levels, enabling attackers to bypass intended access controls and retrieve files outside the designated web root or application directories.
The technical implementation of this vulnerability occurs when the web application fails to properly sanitize user-supplied input that contains file path references. When a remote attacker submits a request containing directory traversal sequences such as ../ or ..\, the application processes these requests without adequate validation, resulting in the system interpreting the malicious path and returning the contents of files that should remain inaccessible. This flaw operates at the application layer and can be exploited through web-based interfaces, making it particularly dangerous as it requires no local system access or elevated privileges to exploit.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can potentially expose sensitive system files, configuration data, and administrative credentials that reside on the same server hosting the vulnerable management agents. Attackers could leverage this weakness to access system logs, database connection strings, user authentication files, and other critical information that could facilitate further exploitation or compromise of the entire system. The vulnerability affects not only the Compaq Management Agents but also the Survey Utility, indicating a broader scope of affected components within the Compaq management ecosystem.
Security professionals should note that this vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The attack pattern follows established methodologies described in the MITRE ATT&CK framework under the technique of "Path Traversal" within the credential access and defense evasion domains. Organizations running Compaq Management Agents and Survey Utility software should implement immediate mitigations including input validation, proper path sanitization, and restricting file access permissions to prevent unauthorized file access through web interfaces.
The remediation approach requires implementing proper input validation mechanisms that filter or reject directory traversal sequences in all user-supplied file path parameters. System administrators should also consider implementing web application firewalls that can detect and block malicious path traversal attempts, as well as regular security audits to identify similar vulnerabilities in other web applications. Additionally, the principle of least privilege should be enforced by limiting the web server's access to only necessary directories and files, reducing the potential impact of successful exploitation attempts. Organizations should also monitor for similar vulnerabilities in other management and monitoring tools that may exhibit comparable path traversal weaknesses.