CVE-2011-2156 in SmarterStats
Summary
by MITRE
The SmarterTools SmarterStats 6.0 web server allows remote attackers to obtain directory listings via a direct request for the (1) Admin/, (2) Admin/Defaults/, (3) Admin/GettingStarted/, (4) Admin/Popups/, (5) App_Themes/, (6) Client/, (7) Client/Popups/, (8) Services/, (9) Temp/, (10) UserControls/, (11) UserControls/PanelBarTemplates/, (12) UserControls/Popups/, (13) aspnet_client/, or (14) aspnet_client/system_web/ directory name, or (15) certain directory names under App_Themes/Default/.
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Analysis
by VulDB Data Team • 12/02/2024
The vulnerability identified as CVE-2011-2156 affects SmarterTools SmarterStats 6.0 web server implementations and represents a directory traversal weakness that exposes sensitive administrative and application directories to unauthenticated remote attackers. This flaw stems from insufficient access controls and improper directory listing restrictions within the web server configuration, allowing malicious actors to directly request specific directory paths without proper authentication or authorization mechanisms. The affected paths include critical administrative sections such as Admin/ and its subdirectories, application resource directories like App_Themes/ and Client/, as well as system-related paths including aspnet_client/ and its subdirectories. This vulnerability falls under the CWE-22 category of Improper Limitation of a Pathname to a Restricted Directory, commonly known as Path Traversal, which is a fundamental security weakness in web applications that allows attackers to access files and directories outside of the intended scope. The attack vector operates through simple HTTP requests that directly target these vulnerable paths, making exploitation straightforward and requiring no specialized tools or techniques beyond basic web browsing capabilities.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with comprehensive visibility into the application's internal structure and potentially sensitive configuration files, user data, and system resources. When combined with other vulnerabilities or through careful reconnaissance, this directory listing exposure could enable attackers to identify application-specific files, configuration settings, and even potential weak points in the system architecture. The exposed directories often contain critical application components including default configurations, theme files, user controls, and service endpoints that may reveal implementation details, version information, or hardcoded credentials. From an attacker's perspective, this information can significantly reduce the effort required for subsequent exploitation attempts, as it provides detailed knowledge of the application's internal organization and potential attack surfaces. The vulnerability creates a significant risk for organizations using SmarterStats 6.0, as it essentially provides a roadmap to the application's internal structure without requiring any advanced techniques or specialized knowledge.
Mitigation strategies for this vulnerability should focus on implementing proper access controls and directory listing restrictions across all web server configurations. Organizations should immediately disable directory browsing capabilities for all sensitive directories and implement authentication mechanisms that prevent unauthorized access to administrative and application-specific paths. The recommended approach includes configuring web server settings to explicitly deny access to the vulnerable paths mentioned in the CVE description, implementing proper role-based access controls, and ensuring that sensitive directories are not publicly accessible. Security professionals should also consider implementing web application firewalls that can detect and block direct requests to known vulnerable paths, as well as conducting comprehensive security assessments to identify any additional directory traversal vulnerabilities within the application ecosystem. This vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing with Malicious Attachment) as attackers can use the exposed information to craft more targeted attacks. The remediation process should involve thorough configuration reviews, implementation of proper file permissions, and regular security testing to ensure that no similar directory traversal vulnerabilities exist in the application infrastructure. Organizations should also consider applying vendor-specific patches or upgrading to newer versions of SmarterStats that address this specific weakness in directory access controls and provide enhanced security configurations.