CVE-2007-0687 in L2J Dropcalc
Summary
by MITRE
SQL injection vulnerability in i-search.php in Michelle s L2J Dropcalc 4 and earlier allows remote authenticated users to execute arbitrary SQL commands via the itemid parameter.
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Analysis
by VulDB Data Team • 08/20/2024
The vulnerability identified as CVE-2007-0687 represents a critical sql injection flaw within the Michelle s L2J Dropcalc 4 software suite, specifically affecting versions 4 and earlier. This vulnerability exists within the i-search.php script which serves as a search interface for the drop calculation system. The flaw allows authenticated remote attackers to manipulate database queries through improper input validation of the itemid parameter, creating a pathway for arbitrary code execution within the database layer.
The technical exploitation of this vulnerability stems from insufficient sanitization of user input within the application's database interaction layer. When the itemid parameter is processed by i-search.php, the application fails to properly escape or validate the input before incorporating it into sql queries. This allows an authenticated attacker to inject malicious sql fragments that bypass normal query execution boundaries. The vulnerability aligns with CWE-89 which specifically addresses sql injection weaknesses where untrusted data is incorporated into sql commands without proper validation or escaping mechanisms.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to execute arbitrary commands on the underlying database system. An authenticated user can leverage this flaw to access sensitive information, modify database records, or potentially escalate privileges within the database environment. The remote nature of the attack means that exploitation does not require physical access to the server, making it particularly dangerous for web applications that maintain sensitive data. This vulnerability directly maps to several ATT&CK techniques including T1071.004 for application layer protocol usage and T1566.001 for credential access through valid accounts.
The security implications of CVE-2007-0687 demonstrate a fundamental lack of input validation and proper sql query construction practices within the application's codebase. The vulnerability represents a classic sql injection vector that has been prevalent in web applications for many years, highlighting the importance of implementing proper parameterized queries and input sanitization measures. Organizations utilizing this software would be at risk of data compromise, system integrity violations, and potential service disruption. Mitigation strategies should include immediate patching to versions that address the input validation issues, implementing proper parameterized sql queries, and establishing comprehensive input validation routines. Additionally, network segmentation and access controls should be implemented to limit the potential impact of such vulnerabilities within the broader infrastructure.
The vulnerability serves as a reminder of the critical importance of secure coding practices and regular security assessments in web application development. Proper implementation of input validation, parameterized queries, and authentication controls would have prevented this vulnerability from existing in the first place. Organizations should consider implementing automated security testing tools and regular code reviews to identify similar vulnerabilities before they can be exploited by malicious actors. The remediation process should also include thorough testing to ensure that the patched version maintains all intended functionality while eliminating the security flaw.