CVE-2005-0538 in Ginp
Summary
by MITRE
Directory traversal vulnerability in (1) GinpPictureServlet.java and (2) PicCollection.java in ginp (Java Photo Gallery Web Application) before 0.22 allows remote attackers to read arbitrary files.
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Analysis
by VulDB Data Team • 07/06/2018
The vulnerability identified as CVE-2005-0538 represents a critical directory traversal flaw affecting ginp, a Java-based photo gallery web application. This weakness exists in two primary components of the software architecture: GinpPictureServlet.java and PicCollection.java, which together form the core file handling mechanisms of the application. The vulnerability allows remote attackers to manipulate file access requests through crafted input parameters, enabling them to traverse the file system and access files outside the intended directory structure. This type of vulnerability falls under the category of CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the file handling routines of the ginp application. When users submit requests for specific images or files through the web interface, the application processes these requests without properly validating or sanitizing the input parameters that specify file paths. Attackers can exploit this by injecting special characters such as "../" sequences into the file path parameters, effectively navigating up the directory hierarchy and accessing sensitive files that should remain protected. This flaw operates at the application layer and can be exploited through HTTP requests without requiring any special privileges or authentication, making it particularly dangerous in publicly accessible web environments.
The operational impact of CVE-2005-0538 extends beyond simple unauthorized file access, as it can potentially expose sensitive system information including configuration files, database credentials, application source code, and other confidential data. In a typical web application environment, this vulnerability could allow attackers to extract database connection strings, administrative login details, or even complete application source code, which could then be used to identify additional vulnerabilities or escalate the attack. The attack vector is particularly concerning because it operates over standard HTTP protocols and can be executed through simple web browser interactions, making it accessible to attackers with minimal technical expertise. This vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing) as attackers can use the stolen information to conduct further reconnaissance or social engineering attacks.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and sanitization mechanisms within the affected application components. The most effective approach involves implementing strict path validation that ensures all file access requests are properly constrained to the intended directory structure, preventing any traversal beyond designated boundaries. Developers should implement whitelisting mechanisms for file access, where only explicitly allowed file paths or patterns are permitted, rather than relying on blacklisting approaches that can be bypassed. Additionally, the application should employ proper access controls and file permission settings to ensure that even if traversal is somehow achieved, sensitive files remain protected. The vulnerability also highlights the importance of regular security code reviews and input validation testing as recommended by OWASP Top Ten and NIST cybersecurity guidelines, emphasizing the need for proactive security measures rather than reactive patching approaches.