CVE-2023-0686 in Online Eyewear Shop
Summary
by MITRE • 02/06/2023
A vulnerability was found in SourceCodester Online Eyewear Shop 1.0. It has been classified as critical. This affects the function update_cart of the file /oews/classes/Master.php?f=update_cart of the component HTTP POST Request Handler. The manipulation of the argument cart_id leads to sql injection. It is possible to initiate the attack remotely. The identifier VDB-220245 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 09/07/2024
The vulnerability identified as CVE-2023-0686 represents a critical sql injection flaw within the SourceCodester Online Eyewear Shop version 1.0 web application. This security weakness resides in the update_cart functionality of the Master.php class file, specifically within the HTTP POST Request Handler component. The vulnerability manifests when the cart_id parameter is processed through the update_cart function, creating an exploitable condition that allows attackers to inject malicious sql code directly into the database query execution flow. The flaw demonstrates a classic sql injection vector where user-supplied input is inadequately sanitized or parameterized before being incorporated into database operations.
The technical exploitation of this vulnerability occurs through remote manipulation of the cart_id argument within the HTTP POST request handler. When an attacker submits a malicious cart_id value to the update_cart endpoint, the application fails to properly validate or escape the input before incorporating it into sql queries. This oversight enables attackers to craft sql commands that can be executed within the context of the database connection, potentially allowing full database access, data exfiltration, or even database modification. The vulnerability's classification as critical reflects the severe impact potential, as sql injection attacks can compromise entire database systems and lead to complete system takeover. This weakness aligns with CWE-89, which specifically addresses sql injection vulnerabilities, and represents a fundamental failure in input validation and output encoding practices.
The operational impact of this vulnerability extends beyond simple data compromise to encompass complete system integrity breaches. Remote exploitation allows attackers to execute arbitrary sql commands against the backend database, potentially leading to unauthorized access to customer information, order details, payment records, and other sensitive data. The attack surface is particularly concerning given that the vulnerability exists in a commerce platform where user data and financial transactions are processed. Attackers could leverage this flaw to manipulate cart contents, modify pricing information, or even delete critical database records. This vulnerability directly maps to several ATT&CK techniques including T1190 for exploit public-facing application and T1071.004 for application layer protocol, demonstrating how attackers can move laterally through compromised applications to gain deeper system access.
Mitigation strategies for CVE-2023-0686 require immediate implementation of proper input validation and parameterized queries throughout the affected application. The most effective remediation involves implementing prepared statements or parameterized queries for all database interactions, ensuring that user-supplied cart_id values are properly escaped or parameterized before database execution. Additionally, comprehensive input validation should be implemented to reject malformed cart_id values and implement proper access controls to limit unauthorized modification of cart data. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though these should not replace proper code-level fixes. Regular security auditing and penetration testing should be conducted to identify similar vulnerabilities in other application components, as this vulnerability demonstrates a broader pattern of insufficient input sanitization that may exist elsewhere in the codebase. Organizations should also implement proper error handling to prevent information disclosure that could aid attackers in further exploiting the system.