CVE-2008-2342 in News Manager
Summary
by MITRE
Directory traversal vulnerability in attachments.php in News Manager 2.0 allows remote attackers to read arbitrary files via a .. (dot dot) in the id parameter.
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Analysis
by VulDB Data Team • 10/23/2024
The vulnerability identified as CVE-2008-2342 represents a classic directory traversal flaw within the News Manager 2.0 web application, specifically affecting the attachments.php script. This issue arises from inadequate input validation and sanitization mechanisms that fail to properly restrict user-supplied data from being processed in file system operations. The vulnerability manifests when the id parameter contains directory traversal sequences such as .. which allows attackers to navigate outside the intended directory structure and access files that should remain restricted. The flaw stems from the application's failure to properly validate and sanitize user input before using it in file operations, creating an opportunity for malicious actors to exploit the system's file handling mechanisms.
This directory traversal vulnerability operates at the application layer and directly impacts the confidentiality of sensitive data within the web application's file system. The technical implementation of the flaw allows remote attackers to construct malicious requests that bypass normal access controls and retrieve arbitrary files from the server. The vulnerability is classified under CWE-22 as "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", which is a well-established weakness in web application security. Attackers can leverage this vulnerability to access configuration files, source code, database files, or other sensitive information that should not be publicly accessible through the web interface. The impact is particularly severe as it enables unauthorized data access without requiring authentication or specific privileges within the application.
The operational impact of CVE-2008-2342 extends beyond simple information disclosure, as it can lead to complete system compromise when combined with other vulnerabilities or attack vectors. An attacker who successfully exploits this vulnerability can potentially access sensitive system files, application configuration details, or even database credentials that could facilitate further attacks. The vulnerability aligns with several techniques documented in the MITRE ATT&CK framework under the T1083 (File and Directory Discovery) and T1566 (Phishing) tactics, as it enables attackers to discover and exfiltrate sensitive files from compromised systems. The remote nature of this vulnerability means that attackers can exploit it from any location without requiring physical access to the target system, making it particularly dangerous for web applications that handle sensitive information.
Mitigation strategies for CVE-2008-2342 should focus on implementing robust input validation and sanitization controls at multiple layers of the application architecture. The most effective approach involves implementing strict validation of all user-supplied input, particularly parameters used in file system operations, and ensuring that directory traversal sequences are properly filtered or rejected. Organizations should implement proper access controls and privilege separation to limit the impact of potential exploitation attempts. The application should employ secure coding practices that prevent direct user input from being used in file path constructions, instead utilizing whitelisting mechanisms or normalized path resolution techniques. Additionally, regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities in other components of the application stack, as this type of flaw is commonly found in legacy web applications and represents a fundamental weakness in application security design.