CVE-2009-2313 in Jinzora
Summary
by MITRE
Directory traversal vulnerability in index.php in Jinzora Media Jukebox 2.8 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the name parameter.
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Analysis
by VulDB Data Team • 11/25/2024
The vulnerability identified as CVE-2009-2313 represents a critical directory traversal flaw within the Jinzora Media Jukebox 2.8 and earlier versions. This security weakness exists in the index.php script where user input is improperly validated before being used in file inclusion operations. The vulnerability specifically manifests when the application processes a name parameter that contains directory traversal sequences such as .. (dot dot), allowing attackers to manipulate file paths and access arbitrary local files on the server. This type of vulnerability falls under the category of CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw enables attackers to bypass normal access controls and potentially execute malicious code on the affected system.
The operational impact of this vulnerability extends beyond simple file disclosure to include potential remote code execution capabilities. When an attacker successfully exploits this vulnerability, they can include and execute arbitrary local files on the target system, which could lead to complete system compromise. The attack vector is particularly dangerous because it requires minimal privileges and can be executed remotely without authentication. This vulnerability aligns with ATT&CK technique T1059.007, which covers scripting languages for execution, as attackers can leverage the directory traversal to include malicious scripts or code files. The affected Jinzora Media Jukebox application processes user-supplied input directly without proper sanitization or validation, creating an environment where malicious actors can navigate the file system beyond intended boundaries.
Mitigation strategies for CVE-2009-2313 must address both the immediate security gap and the underlying architectural issues that allow such vulnerabilities to persist. Organizations should implement proper input validation and sanitization mechanisms that prevent directory traversal sequences from being processed in file operations. The recommended approach includes implementing strict whitelisting of allowed file paths, using secure file handling functions that prevent path traversal, and ensuring that all user-supplied input is properly escaped or encoded before being used in file operations. Additionally, the application should employ proper access controls and privilege separation to limit the damage that could occur even if such vulnerabilities are exploited. Security patches should be applied immediately to upgrade from vulnerable versions of Jinzora Media Jukebox, as this vulnerability has been widely documented and exploited in the wild. The remediation process should also include comprehensive security testing to identify similar vulnerabilities in other components of the application stack, particularly focusing on file inclusion functions and user input handling mechanisms that could present similar risks.