CVE-2008-1798 in Dragoon
Summary
by MITRE
Directory traversal vulnerability in forum/kietu/libs/calendrier.php in Dragoon 0.1 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the cal[lng] parameter.
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Analysis
by VulDB Data Team • 10/20/2024
The vulnerability identified as CVE-2008-1798 represents a critical directory traversal flaw within the Dragoon 0.1 web application framework, specifically affecting the file forum/kietu/libs/calendrier.php. This weakness enables remote attackers to manipulate the application's file inclusion mechanisms by exploiting improper input validation in the cal[lng] parameter. The vulnerability stems from the application's failure to adequately sanitize user-supplied input before using it in file operations, creating an avenue for attackers to navigate the file system hierarchy beyond intended boundaries.
The technical exploitation of this vulnerability occurs through the manipulation of the cal[lng] parameter to include directory traversal sequences such as .. or %2e%2e, which allows attackers to reference files outside the intended directory structure. When the application processes these malicious inputs without proper validation, it executes the file inclusion mechanism and loads arbitrary local files from the server's file system. This can potentially lead to the execution of arbitrary code, disclosure of sensitive system files, or unauthorized access to restricted resources within the application's operational environment.
From an operational impact perspective, this vulnerability presents significant security risks to organizations deploying the Dragoon 0.1 framework, as it allows attackers to bypass normal access controls and potentially escalate privileges. The vulnerability can be leveraged to access configuration files that may contain database credentials, application secrets, or other sensitive information that could compromise the entire system. Additionally, the ability to execute arbitrary local files opens possibilities for attackers to establish persistent access or deploy malicious payloads within the target environment.
The vulnerability aligns with CWE-22, which categorizes directory traversal attacks as a common weakness in web applications, and represents a classic example of improper input validation leading to unauthorized file access. From an attacker's methodology standpoint, this vulnerability maps to ATT&CK technique T1059.007 for command and scripting interpreter, as successful exploitation could enable command execution through file inclusion. The weakness also demonstrates characteristics of T1566 for initial access through malicious file inclusion, making it a significant entry point for attackers seeking to compromise web applications.
Organizations should implement immediate mitigations including input validation and sanitization of all user-supplied parameters, particularly those used in file inclusion operations. The application should employ proper path validation techniques to ensure that file paths do not contain directory traversal sequences or other malicious input patterns. Additionally, implementing the principle of least privilege for web application file access and conducting thorough code reviews to identify similar vulnerabilities in other file inclusion mechanisms will help prevent exploitation. Regular security assessments and vulnerability scanning should be conducted to identify and remediate similar weaknesses throughout the application codebase, ensuring comprehensive protection against directory traversal attacks.