CVE-2008-0815 in Com Mezun
Summary
by MITRE
SQL injection vulnerability in the com_mezun component for Joomla! allows remote attackers to execute arbitrary SQL commands via the id parameter in an edit task.
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Analysis
by VulDB Data Team • 08/17/2025
The CVE-2008-0815 vulnerability represents a critical sql injection flaw within the com_mezun component of Joomla platform, potentially enabling full database compromise and unauthorized data manipulation.
The technical implementation of this vulnerability stems from improper input validation and sanitization practices within the com_mezun component's codebase. When users access the edit functionality, the id parameter is directly used in sql query construction without proper parameterization or input filtering. This creates a classic sql injection vector where attacker-controlled input can alter the intended query execution flow. The vulnerability maps to cwe-89 which specifically addresses sql injection weaknesses in software applications. Attackers can exploit this by crafting malicious id parameter values that when processed by the vulnerable component, result in unauthorized sql command execution. The flaw demonstrates poor secure coding practices and highlights the importance of implementing proper input validation and parameterized queries in web applications.
The operational impact of CVE-2008-0815 extends beyond simple data theft to encompass complete system compromise and unauthorized administrative access. Remote attackers can leverage this vulnerability to execute arbitrary sql commands against the database, potentially gaining access to sensitive user information, modifying or deleting database records, and even escalating privileges within the application environment. This vulnerability can lead to complete database takeover, allowing attackers to extract confidential information, modify user credentials, or inject malicious content into the application. The remote nature of the exploit means that attackers do not require physical access to the system or local network privileges, making the vulnerability particularly dangerous for web applications accessible over the internet. The impact is further amplified by the fact that joomla! installations often contain sensitive user data, configuration information, and application-specific data that can be compromised through this vector.
Mitigation strategies for CVE-2008-0815 should focus on immediate patching of the affected joomla to address the vulnerability in the com_mezun component. Additionally, implementing proper parameterized queries and input sanitization techniques can prevent similar vulnerabilities from occurring in other components. The remediation approach should align with best practices from the owasp top ten and mitre att&ck framework, particularly focusing on preventing injection attacks and ensuring proper data validation. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, while regular security audits and code reviews should be conducted to identify and remediate similar vulnerabilities in other application components. Organizations should also implement proper access controls and monitoring to detect potential exploitation attempts and maintain comprehensive backup strategies to recover from successful attacks.