CVE-2009-3645 in Com Cbresumebuilder
Summary
by MITRE
SQL injection vulnerability in the JoomlaCache CB Resume Builder (com_cbresumebuilder) component for Joomla! allows remote attackers to execute arbitrary SQL commands via the group_id parameter in a group_members action to index.php.
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Analysis
by VulDB Data Team • 06/14/2025
The CVE-2009-3645 vulnerability represents a critical sql injection flaw within the JoomlaCache CB Resume Builder component for Joomla! platforms. This vulnerability specifically targets the group_members action within the index.php file and exploits the group_id parameter to allow remote attackers to execute arbitrary sql commands. The flaw exists due to inadequate input validation and sanitization of user-supplied data, creating an avenue for malicious actors to manipulate database queries through crafted input parameters.
The technical implementation of this vulnerability stems from improper parameter handling within the com_cbresumebuilder component. When the group_id parameter is passed through the group_members action, the application fails to properly escape or validate the input before incorporating it into sql queries. This lack of input sanitization allows attackers to inject malicious sql payloads that can bypass authentication mechanisms, extract sensitive data, modify database records, or even execute system commands depending on the database backend and permissions. The vulnerability falls under the common weakness enumeration CWE-89 which specifically addresses sql injection flaws where untrusted data is directly included in sql commands without proper escaping or parameterization.
From an operational perspective, this vulnerability presents a severe risk to organizations utilizing Joomla! platforms with the CB Resume Builder component. Remote attackers can exploit this flaw to gain unauthorized access to sensitive user data including resumes, personal information, and potentially administrative credentials. The impact extends beyond simple data theft as attackers can manipulate the database structure, create backdoor accounts, or even escalate privileges to system-level access depending on database configuration. The vulnerability is particularly dangerous because it requires no authentication to exploit and can be triggered through standard web browser interactions, making it highly accessible to attackers with minimal technical expertise.
The attack surface for this vulnerability encompasses all Joomla platforms are particularly at risk, as the vulnerability was present in widely distributed versions of the component. The exploitability of this flaw is enhanced by the fact that it operates through standard http requests, making it difficult to detect through conventional network monitoring. Security professionals should note that this vulnerability aligns with ATT&CK technique T1190 which covers exploitation of remote services and T1078 which addresses valid accounts and legitimate credentials.
Mitigation strategies for CVE-2009-3645 require immediate patching of affected Joomla platforms are updated to the latest stable versions that contain security fixes for sql injection vulnerabilities. Additionally, implementing proper input validation and parameterized queries within the application code can prevent similar vulnerabilities from manifesting in future versions. Database administrators should also review and restrict database user permissions, ensuring that applications use accounts with minimal required privileges. Network-level protections such as web application firewalls and intrusion detection systems can provide additional defense-in-depth measures. Regular security audits and vulnerability assessments should be conducted to identify and remediate similar sql injection vulnerabilities across all web applications within the organization's infrastructure.