CVE-2007-6621 in joovili
Summary
by MITRE
Directory traversal vulnerability in joovili.images.php in Joovili 3.0.0 through 3.0.6 allows remote attackers to read arbitrary files via a .. (dot dot) in the picture parameter.
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Analysis
by VulDB Data Team • 10/13/2024
The CVE-2007-6621 vulnerability represents a classic directory traversal flaw affecting the Joovili content management system version 3.0.0 through 3.0.6. This vulnerability resides in the joovili.images.php component and enables remote attackers to access arbitrary files on the server by manipulating the picture parameter through directory traversal sequences using the .. (dot dot) notation. The vulnerability stems from inadequate input validation and sanitization within the file handling mechanism of the application.
The technical exploitation of this vulnerability occurs when the application fails to properly validate or sanitize user-supplied input passed through the picture parameter. When an attacker submits a malicious payload containing directory traversal sequences such as ../../../etc/passwd or similar paths, the application processes these inputs without sufficient validation, allowing the attacker to navigate outside the intended directory structure and access sensitive files that should remain protected. This flaw directly maps to CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal vulnerabilities. The vulnerability exists at the application layer where user input is directly incorporated into file system operations without proper sanitization or access control mechanisms.
The operational impact of CVE-2007-6621 extends beyond simple file disclosure, as it can potentially lead to complete system compromise if attackers can access critical system files, configuration data, or application source code. Remote attackers can leverage this vulnerability to read sensitive files such as database configuration files, application credentials, system user files, or even execute arbitrary code if the application is running with elevated privileges. The vulnerability's remote nature means that attackers do not require local system access or physical presence, making it particularly dangerous in networked environments. According to ATT&CK framework, this vulnerability aligns with T1083 (File and Directory Discovery) and T1566 (Phishing with Malicious Attachment) techniques, as attackers can use it to discover system information and potentially escalate privileges through the acquisition of sensitive credentials.
Mitigation strategies for this vulnerability should include immediate implementation of proper input validation and sanitization mechanisms within the application code. The most effective remediation involves implementing strict input filtering that rejects or removes directory traversal sequences from user-supplied parameters before they are processed by the file system operations. Application developers should employ whitelisting approaches for file access, validate all input parameters against a known set of acceptable values, and implement proper access control mechanisms that restrict file system access to legitimate application paths only. Additionally, the system should be updated to the latest available version of Joovili where this vulnerability has been patched, as the vendor likely addressed the issue through proper input validation and sanitization routines. Organizations should also implement network segmentation and monitoring to detect suspicious file access patterns that may indicate exploitation attempts, and conduct regular security assessments to identify similar vulnerabilities in other applications within the attack surface.