CVE-2009-2102 in Com Jumi
Summary
by MITRE
SQL injection vulnerability in the Jumi (com_jumi) component 2.0.3 and possibly other versions for Joomla allows remote attackers to execute arbitrary SQL commands via the fileid parameter to index.php.
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Analysis
by VulDB Data Team • 04/06/2025
The CVE-2009-2102 vulnerability represents a critical sql injection flaw within the jumi component version 2.0.3 for the joomla content management system. This vulnerability exists in the component's handling of user input through the fileid parameter in the index.php script, creating a pathway for remote attackers to manipulate the underlying database queries. The flaw specifically targets the component's failure to properly sanitize or validate input parameters before incorporating them into sql statements, allowing malicious actors to inject arbitrary sql commands that execute with the privileges of the web application.
The technical nature of this vulnerability aligns with common weakness enumeration cw 89, which categorizes sql injection as a direct result of insufficient input validation and improper output encoding. Attackers can exploit this weakness by crafting malicious input strings that contain sql payload within the fileid parameter, potentially gaining unauthorized access to sensitive data, modifying database contents, or even executing system commands depending on the database backend and application configuration. The vulnerability's remote exploitability means that attackers do not require local system access or authentication credentials to leverage the flaw, making it particularly dangerous in publicly accessible web environments.
The operational impact of CVE-2009-2102 extends beyond simple data theft, as successful exploitation can lead to complete system compromise and unauthorized access to sensitive information. Organizations running affected joomla installations with the vulnerable jumi component face significant risks including data breaches, service disruption, and potential regulatory compliance violations. The vulnerability's presence in joomla's component architecture means that exploitation could affect not just individual websites but entire cms installations, especially in environments where multiple components share database connections and privileges. Additionally, the vulnerability's exploitation can result in denial of service conditions or the installation of backdoors that persist beyond initial compromise.
Mitigation strategies for this vulnerability require immediate patching of the jumi component to version 2.0.4 or later, which contains the necessary input validation fixes. Organizations should also implement proper input sanitization measures including parameterized queries, output encoding, and strict input validation for all user-supplied data. Network-level protections such as web application firewalls can provide additional defense in depth, though these should not replace proper code-level fixes. Security monitoring should include detection of sql injection attempts through log analysis and anomaly detection systems. The vulnerability's classification under attack technique t1070 and t1071 in the mitre attack framework demonstrates its potential for data extraction and command execution phases of cyber attacks, emphasizing the need for comprehensive security posture improvements beyond just patch management.