CVE-2008-5201 in OTManager
Summary
by MITRE
Directory traversal vulnerability in index.php in OTManager CMS 24a allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the conteudo parameter. NOTE: in some environments, this can be leveraged for remote file inclusion by using a UNC share pathname or an ftp, ftps, or ssh2.sftp URL.
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Analysis
by VulDB Data Team • 10/30/2024
The CVE-2008-5201 vulnerability represents a critical directory traversal flaw in the OTManager CMS 24a web application, specifically affecting the index.php file. This vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly filter user-supplied data before processing. The flaw manifests when the conteudo parameter is manipulated with directory traversal sequences such as .. (dot dot), allowing attackers to navigate outside the intended directory structure and access arbitrary local files on the server filesystem. The vulnerability is classified under CWE-22 as Improper Limitation of a Pathname to a Restricted Directory, which is a fundamental security weakness in file access control implementations. This type of vulnerability enables attackers to bypass normal access controls and potentially gain unauthorized access to sensitive system files, configuration data, or other restricted resources that should remain protected from direct web access.
The operational impact of this vulnerability extends beyond simple file disclosure, as it can be leveraged for remote code execution in certain environments. When attackers exploit this weakness, they can potentially include and execute arbitrary local files, creating a pathway for full system compromise. The vulnerability becomes particularly dangerous when the web server is configured to allow file inclusion from remote locations, as demonstrated by the ability to utilize UNC share pathnames or URLs using protocols such as ftp, ftps, or ssh2.sftp. This expanded exploitation capability transforms what might initially appear as a simple directory traversal issue into a more severe remote code execution vulnerability, aligning with ATT&CK technique T1059.007 for Command and Scripting Interpreter and T1190 for Exploit Public-Facing Application. The vulnerability can be exploited through various attack vectors including web browser manipulation, automated scanning tools, or social engineering tactics that prompt users to visit malicious URLs containing the crafted directory traversal sequences.
Mitigation strategies for CVE-2008-5201 must address both the immediate input validation issues and implement comprehensive security controls to prevent similar vulnerabilities. Organizations should immediately apply the vendor-provided security patches or upgrade to newer versions of the OTManager CMS that address this flaw. Input validation mechanisms must be strengthened to sanitize all user-supplied parameters, particularly those used in file inclusion operations, implementing strict whitelisting approaches that only permit known safe values. The principle of least privilege should be enforced by configuring web servers to operate with minimal required permissions and by implementing proper access controls that prevent directory traversal operations from accessing sensitive system resources. Network segmentation and firewall rules can help limit the potential impact of such vulnerabilities by restricting direct access to vulnerable applications. Additionally, implementing web application firewalls and security monitoring systems can help detect and prevent exploitation attempts. The vulnerability demonstrates the critical importance of proper input validation and secure coding practices, particularly in applications that handle user input for file operations, as outlined in OWASP Top Ten category A03: Injection and the corresponding security controls recommended in NIST SP 800-53 and ISO 27001 frameworks. Regular security assessments and penetration testing should be conducted to identify and remediate similar vulnerabilities across the entire application portfolio.