CVE-2005-1939 in WhatsUp Small Business
Summary
by MITRE
Directory traversal vulnerability in Ipswitch WhatsUp Small Business 2004 allows remote attackers to read arbitrary files via ".." (dot dot) sequences in a request to the Report service (TCP 8022).
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Analysis
by VulDB Data Team • 06/16/2019
The directory traversal vulnerability identified as CVE-2005-1939 affects Ipswitch WhatsUp Small Business 2004 software, specifically targeting the Report service operating on TCP port 8022. This vulnerability represents a critical security flaw that enables remote attackers to access arbitrary files on the affected system through manipulation of directory path references using the ".." (dot dot) sequences in HTTP requests. The vulnerability stems from inadequate input validation within the Report service component, which fails to properly sanitize user-supplied path information before processing file access requests. This allows malicious actors to navigate beyond the intended directory boundaries and potentially access sensitive system files, configuration data, or user information stored on the server.
The technical exploitation of this vulnerability occurs when an attacker sends a specially crafted HTTP request containing directory traversal sequences to the Report service port 8022. The service processes these requests without proper validation, allowing the attacker to traverse the file system hierarchy and access files that should remain restricted. This flaw 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 vulnerability can be categorized under ATT&CK technique T1083, which involves discovering files and directories, and T1071.004, which covers application layer protocol traffic shaping. The impact of such an attack extends beyond simple information disclosure, as attackers may gain access to database files, configuration settings, or even system credentials that could facilitate further compromise of the network infrastructure.
The operational impact of CVE-2005-1939 is significant for organizations using Ipswitch WhatsUp Small Business 2004, as it provides attackers with unauthorized access to potentially sensitive business data. The vulnerability affects systems that are typically deployed in small business environments where network security measures may be less robust than in enterprise settings. Attackers could exploit this weakness to obtain confidential reports, user credentials, or system configurations that could be used for privilege escalation or lateral movement within the network. The vulnerability is particularly dangerous because it requires no authentication to exploit, making it a high-value target for remote attackers. Organizations may face regulatory compliance issues if sensitive data is compromised through this vulnerability, especially in industries subject to data protection regulations such as healthcare or financial services. The attack vector through TCP port 8022 indicates that this vulnerability affects network services that are often exposed to external networks, increasing the attack surface and making the system more vulnerable to exploitation.
Mitigation strategies for CVE-2005-1939 should include immediate application of vendor patches or updates to address the directory traversal flaw in Ipswitch WhatsUp Small Business 2004. Organizations should implement network segmentation to restrict access to TCP port 8022, ensuring that only authorized systems can communicate with the Report service. Network access control lists should be configured to limit external access to this specific port, and firewalls should be properly configured to block unauthorized connections. Additionally, implementing input validation controls and sanitization measures within the application layer can help prevent similar vulnerabilities from occurring in other components. System administrators should conduct regular vulnerability assessments to identify and remediate similar path traversal issues in other network services. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection by monitoring for suspicious directory traversal patterns in network traffic. Organizations should also consider disabling the Report service if it is not essential for business operations, as this would eliminate the attack vector entirely. Regular security awareness training for administrators can help prevent configuration errors that might inadvertently expose the vulnerable service to external networks. The remediation process should also include reviewing and updating system access controls to ensure that only authorized personnel have access to potentially sensitive data within the WhatsUp Small Business environment.