CVE-2007-3628 in Structures Datagrid Datasource Mdb2
Summary
by MITRE
Unspecified vulnerability in the fetch function in MDB2.php in PEAR Structures-DataGrid-DataSource-MDB2 0.1.9 and earlier allows attackers to "manipulate the generated sorting queries."
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Analysis
by VulDB Data Team • 10/28/2017
The vulnerability identified as CVE-2007-3628 resides within the PEAR Structures-DataGrid-DataSource-MDB2 component version 0.1.9 and earlier, specifically affecting the fetch function in MDB2.php. This issue represents a classic case of insecure input handling that can lead to unauthorized manipulation of database query structures. The vulnerability stems from insufficient validation and sanitization of sorting parameters that are passed to the database layer through the data grid's fetch mechanism, creating a potential attack surface where malicious actors can alter the intended query execution flow.
The technical flaw manifests when the fetch function processes user-supplied sorting criteria without adequate filtering or escaping mechanisms. This allows attackers to inject malicious sorting parameters that can modify the generated SQL queries, potentially leading to unintended database access patterns or even data exposure. The vulnerability operates at the application level where user input directly influences query construction, making it particularly dangerous as it can be exploited through standard web application interfaces. The unspecified nature of the vulnerability suggests that the exact attack vectors may vary based on the underlying database system and specific implementation details, but the core issue remains the lack of proper input validation within the data source handling component.
Operationally, this vulnerability poses significant risks to applications that rely on PEAR's data grid functionality for displaying database content with sorting capabilities. Attackers could potentially manipulate sorting parameters to access unauthorized data sets, alter query execution plans, or even perform privilege escalation attacks depending on the database permissions and the specific implementation of the data source. The impact extends beyond simple data exposure as the manipulation of sorting queries can affect application performance through resource exhaustion or enable more sophisticated attacks such as sql injection through indirect pathways. This vulnerability particularly affects web applications that dynamically generate sorting interfaces for database content, making it a critical concern for enterprise applications with complex data presentation requirements.
Mitigation strategies for CVE-2007-3628 should focus on implementing proper input validation and sanitization mechanisms within the fetch function to prevent malicious sorting parameters from being processed. Organizations should immediately upgrade to patched versions of the PEAR Structures-DataGrid-DataSource-MDB2 component, as the vulnerability has been addressed in subsequent releases through enhanced parameter validation and proper query construction techniques. Additionally, implementing proper access controls and database permissions can limit the impact of any successful exploitation attempts. The vulnerability aligns with CWE-77 and CWE-89 categories related to command and query injection, and could be mapped to ATT&CK techniques involving privilege escalation and data manipulation through web application interfaces. Regular security audits and input validation testing should be implemented to prevent similar issues in other components that handle database query construction.