CVE-2010-2033 in Com Perchacategoriestree
Summary
by MITRE
Directory traversal vulnerability in the Percha Multicategory Article (com_perchacategoriestree) component 0.6 for Joomla! allows remote attackers to read arbitrary files and possibly have unspecified other impact via a .. (dot dot) in the controller parameter to index.php.
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Analysis
by VulDB Data Team • 08/23/2025
The CVE-2010-2033 vulnerability represents a critical directory traversal flaw within the Percha Multicategory Article component version 0.6 for Joomla! platforms. This vulnerability specifically affects the component's handling of user input through the controller parameter in the index.php file, creating a pathway for malicious actors to access arbitrary files on the server. The flaw stems from insufficient input validation and sanitization mechanisms that fail to properly restrict directory navigation sequences, allowing attackers to manipulate file paths through the use of .. (dot dot) sequences in the controller parameter. Such vulnerabilities fall under the CWE-22 category, which encompasses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks.
The technical exploitation of this vulnerability occurs when an attacker submits a malicious controller parameter containing directory traversal sequences to the vulnerable Joomla! application. The component fails to validate or sanitize the input, allowing the .. (dot dot) sequences to traverse up the directory structure and access files outside the intended web root directory. This can potentially lead to the disclosure of sensitive information including configuration files, database credentials, user data, and other system files that should remain protected. The unspecified other impacts mentioned in the vulnerability description could include arbitrary code execution, privilege escalation, or complete system compromise depending on the server configuration and file permissions. Attackers may leverage this vulnerability to gain unauthorized access to the underlying server infrastructure and potentially establish persistent access.
From an operational perspective, this vulnerability poses significant risks to Joomla! installations running the affected Percha Multicategory Article component version 0.6. The remote nature of the attack means that exploitation can occur without any prior authentication or physical access to the system, making it particularly dangerous for web applications that are publicly accessible. Organizations using vulnerable versions of this component face potential data breaches, compliance violations, and reputational damage. The vulnerability's impact extends beyond simple file disclosure as it can serve as a foothold for more sophisticated attacks, potentially enabling attackers to escalate privileges, inject malicious code, or conduct further reconnaissance. Security teams should consider this vulnerability in their threat modeling and incident response planning, as it represents a common attack vector that has been frequently exploited in the past.
Mitigation strategies for CVE-2010-2033 should focus on immediate remediation through component updates and patches provided by the Joomla installations are running the latest stable versions with all security patches applied. Input validation and sanitization mechanisms should be strengthened to prevent directory traversal attempts, including the implementation of proper parameter filtering and the use of allowlists for acceptable controller values. The principle of least privilege should be enforced by restricting web server access to only necessary files and directories, implementing proper file permissions, and considering the use of web application firewalls to detect and block malicious traversal attempts. Additionally, regular security audits and vulnerability assessments should be conducted to identify and remediate similar issues across the entire application stack, as this vulnerability demonstrates how seemingly simple input handling flaws can create significant security risks. The ATT&CK framework categorizes this type of vulnerability under privilege escalation and credential access techniques, highlighting the potential for attackers to leverage such flaws to gain deeper system access and maintain persistent presence within compromised environments.