CVE-2015-0270 in Zend Framework
Summary
by MITRE
Zend Framework before 2.2.10 and 2.3.x before 2.3.5 has Potential SQL injection in PostgreSQL Zend\Db adapter.
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Analysis
by VulDB Data Team • 01/27/2024
The vulnerability identified as CVE-2015-0270 affects the Zend Framework versions prior to 2.2.10 and 2.3.x versions before 2.3.5, specifically within the PostgreSQL Zend\Db adapter component. This issue represents a critical security flaw that allows attackers to potentially execute unauthorized SQL commands through improper input validation mechanisms. The vulnerability resides in how the framework handles database queries when interfacing with PostgreSQL databases, creating an avenue for malicious actors to manipulate query execution paths and potentially gain unauthorized access to sensitive data or system resources.
The technical flaw manifests in the PostgreSQL adapter's handling of user-supplied data within database operations. When developers utilize the Zend\Db component to construct queries against PostgreSQL databases, the framework fails to properly sanitize or escape input parameters in certain scenarios. This weakness enables attackers to inject malicious SQL fragments that can alter the intended query behavior, potentially leading to data extraction, modification, or deletion operations. The vulnerability is particularly concerning because it operates at the database abstraction layer, meaning that applications relying on this framework for database interactions become susceptible to SQL injection attacks without requiring direct exploitation of application logic flaws.
The operational impact of this vulnerability extends beyond simple data exposure, as successful exploitation can result in complete database compromise and potential system-wide consequences. Attackers can leverage this weakness to perform unauthorized data access operations, manipulate database contents, or even escalate privileges within the database environment. The vulnerability affects applications that utilize Zend Framework's database abstraction layer for PostgreSQL connections, making it particularly relevant for web applications that process user input through database queries. Organizations running affected versions of Zend Framework may experience unauthorized data access, data corruption, or complete database breaches depending on the attack vector and system configuration.
Mitigation strategies for CVE-2015-0270 involve immediate upgrading of affected Zend Framework versions to 2.2.10 or 2.3.5, which contain the necessary patches to address the SQL injection vulnerability. Organizations should also implement proper input validation and parameterized queries even when using patched versions to maintain defense-in-depth principles. Security teams should conduct comprehensive vulnerability assessments to identify all applications utilizing affected framework versions and ensure proper patch management protocols are in place. The vulnerability aligns with CWE-89 which specifically addresses SQL injection flaws, and represents a significant concern within the ATT&CK framework under the Database Operations and Credential Access tactics. Regular security monitoring and application scanning should be implemented to detect potential exploitation attempts and ensure continued protection against similar vulnerabilities in the database abstraction layer.