CVE-2002-0708 in Superscout Web Filter
Summary
by MITRE
Directory traversal vulnerability in the Web Reports Server for SurfControl SuperScout WebFilter allows remote attackers to read arbitrary files via an HTTP request containing ... (triple dot) sequences.
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Analysis
by VulDB Data Team • 09/14/2025
The CVE-2002-0708 vulnerability represents a critical directory traversal flaw within the Web Reports Server component of SurfControl SuperScout WebFilter, a web-based filtering solution designed to monitor and control internet access in enterprise environments. This vulnerability specifically affects the server's handling of HTTP requests and exposes a fundamental security weakness in how the system processes file path references. The flaw enables malicious actors to manipulate HTTP requests by inserting triple dot sequences that bypass normal file access controls and potentially gain unauthorized access to sensitive system files.
The technical implementation of this vulnerability stems from insufficient input validation and path sanitization within the Web Reports Server's request processing logic. When the server receives an HTTP request containing directory traversal sequences such as triple dots, it fails to properly validate or sanitize the input before attempting to access files on the underlying file system. This allows attackers to craft malicious requests that can navigate beyond the intended directory boundaries and access arbitrary files that should remain protected. The vulnerability operates at the application layer and specifically targets the server's file access mechanisms rather than network protocols or system-level vulnerabilities.
The operational impact of this vulnerability extends far beyond simple information disclosure, as it provides attackers with the capability to access sensitive configuration files, log data, user credentials, and potentially system binaries. In enterprise environments where SurfControl SuperScout WebFilter is deployed, this vulnerability could enable attackers to compromise the entire web filtering infrastructure and potentially escalate privileges to gain deeper access to the underlying network. The implications are particularly severe given that web filtering solutions often contain sensitive data about user activities and network traffic patterns. This vulnerability aligns with CWE-22 Directory Traversal and follows the attack pattern described in the MITRE ATT&CK framework under T1083 File and Directory Discovery, where adversaries attempt to enumerate system resources.
Mitigation strategies for CVE-2002-0708 should focus on immediate patching of the SurfControl SuperScout WebFilter software to address the directory traversal vulnerability. Organizations should implement network segmentation and access controls to limit exposure of the Web Reports Server to untrusted networks. Input validation should be strengthened at all application layers to prevent malicious path sequences from being processed. Additionally, security monitoring should be enhanced to detect unusual file access patterns and HTTP requests containing directory traversal attempts. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other components of the web filtering infrastructure. The vulnerability highlights the importance of proper input sanitization and the principle of least privilege in web application security, particularly for systems handling sensitive network monitoring data.