CVE-2006-6512 in Winamp Web Interface
Summary
by MITRE
Directory traversal vulnerability in the Browse function (/browse URI) in Winamp Web Interface (Wawi) 7.5.13 and earlier allows remote authenticated users to list arbitrary directories via URL encoded backslashes ("%2F") in the path parameter.
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Analysis
by VulDB Data Team • 08/08/2015
The vulnerability identified as CVE-2006-6512 represents a directory traversal flaw within the Winamp Web Interface version 7.5.13 and earlier releases. This issue affects the Browse function accessible through the /browse URI endpoint, creating a significant security risk for systems running this web interface component. The vulnerability specifically manifests when the path parameter in the URL contains URL-encoded backslashes represented as "%2F", which allows malicious actors to manipulate the directory traversal behavior.
This directory traversal vulnerability stems from inadequate input validation and sanitization within the web interface's handling of file paths. When authenticated users submit requests containing specially crafted path parameters with URL-encoded backslashes, the system fails to properly sanitize these inputs before processing directory listing operations. The flaw enables attackers to bypass normal directory access controls and potentially enumerate files and directories beyond the intended scope of the web interface's access permissions.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the capability to traverse the file system hierarchy and potentially access sensitive files, configuration data, or system resources that should remain protected. Remote authenticated users can leverage this vulnerability to gain unauthorized access to directories that are not meant to be exposed through the web interface, potentially leading to further exploitation opportunities such as arbitrary file reading or even code execution depending on the underlying system architecture and file permissions. The vulnerability affects systems where Winamp Web Interface is deployed, particularly those running versions 7.5.13 or earlier, making it a critical concern for organizations that have not yet upgraded their installations.
Security professionals should note that this vulnerability aligns with CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as directory traversal or path traversal attacks. The attack vector operates through the web interface's URI handling mechanism, making it susceptible to exploitation by remote attackers who have valid authentication credentials for the Winamp Web Interface. From an adversarial perspective, this vulnerability maps to ATT&CK technique T1083, which involves discovering system information through directory listing operations, and T1566, which encompasses social engineering and credential access methods that could lead to authenticated access. Organizations should implement immediate mitigations including updating to patched versions of Winamp Web Interface, implementing input validation controls, and applying network-level restrictions to limit access to the browse functionality. Additionally, security monitoring should be enhanced to detect anomalous directory traversal attempts, and access controls should be reviewed to ensure least privilege principles are maintained for web interface users.