CVE-2008-2017 in ChiCoMaS
Summary
by MITRE
Directory traversal vulnerability in Chilek Content Management System (aka ChiCoMaS) 2.0.4 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the operation parameter to the default URI under install/.
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Analysis
by VulDB Data Team • 09/23/2018
The vulnerability identified as CVE-2008-2017 represents a critical directory traversal flaw within the Chilek Content Management System version 2.0.4, specifically affecting the installation component of the application. This directory traversal vulnerability stems from insufficient input validation and sanitization mechanisms within the software's parameter handling logic. The flaw manifests when the application processes user-supplied input through the operation parameter in the default URI path under the install directory, allowing malicious actors to manipulate file inclusion paths using the .. (dot dot) traversal sequence.
The technical implementation of this vulnerability exploits the lack of proper path validation and sanitization in the ChiCoMaS installation script. When the system receives a request containing a .. sequence in the operation parameter, it fails to properly sanitize or validate the input before using it in file operations. This allows attackers to traverse the file system hierarchy and access files outside the intended directory scope. The vulnerability specifically targets the install/ directory path, making it particularly dangerous as it affects the installation process where sensitive system files and configuration data may be accessible. The flaw essentially enables attackers to bypass normal file access controls and potentially include arbitrary local files, leading to remote code execution capabilities.
From an operational impact perspective, this vulnerability presents significant security risks to organizations using ChiCoMaS version 2.0.4. Attackers can leverage this weakness to access sensitive files, including configuration files, database credentials, and potentially system files that could lead to complete system compromise. The remote nature of the attack means that adversaries do not require local access or physical presence to exploit the vulnerability, making it particularly dangerous for web applications that are publicly accessible. This vulnerability directly aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The attack vector follows the pattern described in the MITRE ATT&CK framework under T1059.007 for command and scripting interpreter, as successful exploitation could enable attackers to execute arbitrary code on the affected system.
The exploitation of CVE-2008-2017 demonstrates how inadequate input validation can lead to severe security consequences in content management systems. Organizations running this version of ChiCoMaS are at risk of unauthorized file access, data exfiltration, and potential complete system compromise. The vulnerability's impact extends beyond simple file access, as successful exploitation could allow attackers to inject malicious code into the system, modify application behavior, or gain elevated privileges. Security professionals should consider implementing network segmentation, access controls, and regular security audits to mitigate potential risks associated with this type of vulnerability. The remediation approach requires immediate patching or upgrading to a non-vulnerable version of the software, as well as implementing proper input validation mechanisms to prevent similar issues in other applications. Organizations should also conduct comprehensive vulnerability assessments to identify other potential directory traversal vulnerabilities in their web applications and infrastructure components.