CVE-2007-2144 in JoomlaPack
Summary
by MITRE
PHP remote file inclusion vulnerability in includes/CAltInstaller.php in the JoomlaPack (com_jpack) 1.0.4a2 RE component for Joomla! allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter.
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Analysis
by VulDB Data Team • 09/06/2024
The vulnerability identified as CVE-2007-2144 represents a critical remote file inclusion flaw within the JoomlaPack component for Joomla! version 1.0.4a2. This issue resides in the includes/CAltInstaller.php file and demonstrates a classic security weakness that has been documented in the cybersecurity community for over a decade. The vulnerability operates through a parameter named mosConfig_absolute_path which is susceptible to manipulation by remote attackers. This flaw falls under the category of CWE-88, which specifically addresses the improper validation of a parameter that is used in the construction of a file path, and is closely related to the broader CWE-94 category dealing with the execution of arbitrary code through code injection attacks.
The technical mechanism of exploitation involves an attacker crafting a malicious URL and passing it through the mosConfig_absolute_path parameter to the vulnerable component. When the PHP application processes this parameter without proper sanitization, it can be tricked into including and executing arbitrary PHP code from a remote server. This vulnerability is particularly dangerous because it allows for complete system compromise, enabling attackers to execute commands on the target server, access sensitive data, and potentially establish persistent backdoors. The attack vector leverages the trust relationship between the Joomla! application and its component files, exploiting the application's failure to validate input parameters before using them in file inclusion operations.
The operational impact of this vulnerability extends beyond simple code execution to encompass full system compromise and potential data breaches. Attackers can leverage this vulnerability to gain unauthorized access to the web server hosting the vulnerable Joomla for their web presence, as this vulnerability allows for the execution of malicious payloads that could include web shells, data exfiltration tools, or additional exploitation frameworks. This type of vulnerability also enables attackers to perform reconnaissance activities, escalate privileges, and maintain persistent access to the compromised system, making it a significant concern for cybersecurity professionals managing web applications.
Mitigation strategies for CVE-2007-2144 should focus on immediate patching of the vulnerable component to the latest available version that addresses this specific flaw. Organizations should implement proper input validation and sanitization measures to prevent malicious parameters from being processed by the application. The use of web application firewalls and security monitoring tools can help detect and block attempts to exploit this vulnerability. Additionally, system administrators should conduct comprehensive security audits of their Joomla! installations to identify any other potentially vulnerable components. The remediation approach aligns with the ATT&CK framework's mitigation recommendations for command and control activities, emphasizing the importance of input validation and application hardening. Organizations should also consider implementing network segmentation and access controls to limit the potential impact of successful exploitation attempts. Regular security updates and vulnerability assessments remain essential practices for maintaining robust security postures against similar threats.