CVE-2009-0457 in AJA Portal
Summary
by MITRE
Multiple directory traversal vulnerabilities in AJA Portal 1.2 allow remote attackers to include and execute arbitrary local files via directory traversal sequences in the currentlang parameter to admin/case.php in the (1) Contact_Plus and (2) Reviews modules, and (3) the module_name parameter to admin/includes/FANCYNLOptions.php in the Fancy_NewsLetter module.
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Analysis
by VulDB Data Team • 02/07/2025
The vulnerability described in CVE-2009-0457 represents a critical directory traversal flaw affecting AJA Portal 1.2, specifically targeting multiple modules within the administrative interface. This vulnerability stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied parameters before processing them in file inclusion operations. The affected components include the Contact_Plus and Reviews modules where the currentlang parameter in admin/case.php allows attackers to manipulate file paths through directory traversal sequences. Additionally, the Fancy_NewsLetter module presents another attack vector through the module_name parameter in admin/includes/FANCYNLOptions.php, creating multiple pathways for exploitation within the same vulnerable application framework.
The technical implementation of this vulnerability aligns with CWE-22, which specifically addresses directory traversal or path traversal attacks where attackers can access files outside the intended directory by manipulating input parameters. The flaw operates by exploiting the application's failure to validate or sanitize user input before using it in file system operations, allowing malicious actors to craft specially formatted requests that traverse directory structures and access arbitrary local files. This type of vulnerability typically occurs when applications directly incorporate user-supplied data into file system operations without proper sanitization or validation checks, creating opportunities for attackers to bypass normal access controls and execute unauthorized file operations.
The operational impact of this vulnerability extends beyond simple information disclosure to encompass full system compromise capabilities. Remote attackers can leverage these directory traversal sequences to include and execute arbitrary local files on the server, potentially gaining access to sensitive configuration files, database credentials, or other system resources. The affected modules represent critical administrative functionality that could provide attackers with elevated privileges and persistent access to the vulnerable system. Attackers may exploit this vulnerability to upload malicious files, execute arbitrary code, or establish backdoor access points, making this a particularly dangerous flaw in web application security.
Mitigation strategies for this vulnerability must address the fundamental input validation issues that enable the attack vectors. Organizations should implement strict parameter validation and sanitization for all user-supplied inputs, particularly those used in file system operations. The application should enforce whitelisting mechanisms for valid language or module parameters, rejecting any input that contains directory traversal sequences such as ../ or ..\. Additionally, implementing proper access controls and privilege separation within the application's file system operations can prevent unauthorized access to sensitive files. Security measures should include regular input validation testing, code review processes focusing on file handling operations, and deployment of web application firewalls that can detect and block suspicious traversal patterns. The remediation process requires comprehensive patching of the affected application components and thorough security testing to ensure that similar vulnerabilities do not exist in other parts of the application's codebase, aligning with ATT&CK technique T1059 for command and script injection and T1566 for credential access through compromised applications.