CVE-2021-34165 in Basic Shopping Cart
Summary
by MITRE • 07/30/2021
A SQL Injection vulnerability in Sourcecodester Basic Shopping Cart 1.0 allows a remote attacker to Bypass Authentication and become Admin.
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Analysis
by VulDB Data Team • 08/06/2021
The CVE-2021-34165 vulnerability represents a critical SQL injection flaw within the Sourcecodester Basic Shopping Cart version 1.0 that fundamentally compromises the application's authentication mechanisms. This vulnerability resides in the application's handling of user input during the login process, where improperly sanitized parameters are directly incorporated into SQL query constructions without adequate validation or sanitization measures. The flaw enables an attacker to manipulate the underlying database queries through crafted input, potentially allowing unauthorized access to administrative privileges and complete system control.
This vulnerability maps directly to CWE-89 which specifically addresses SQL injection conditions where untrusted data is incorporated into SQL commands without proper sanitization. The attack vector operates through remote exploitation, requiring no local access or special privileges from the attacker's perspective. The vulnerability's severity is amplified by its ability to bypass authentication entirely, meaning that an attacker can gain administrative access without needing valid credentials, effectively providing complete control over the application's functionality, user data, and system resources. The impact extends beyond simple data theft to include potential system compromise, data manipulation, and unauthorized administrative actions.
The operational impact of this vulnerability is substantial as it creates a backdoor for malicious actors to infiltrate the shopping cart system and assume administrative roles. An attacker can leverage this flaw to modify product listings, alter pricing structures, access customer data, and potentially execute arbitrary code within the application's environment. The vulnerability's exploitation typically involves injecting malicious SQL payloads into login form parameters, which when processed by the vulnerable application, can manipulate the database query to return administrative user records or bypass authentication checks entirely. This presents a significant risk to e-commerce operations and customer data security.
Mitigation strategies for CVE-2021-34165 must focus on implementing proper input validation and parameterized queries to prevent SQL injection attacks. Organizations should immediately apply the vendor's official patch or upgrade to a secure version of the Sourcecodester Basic Shopping Cart application. Additionally, implementing web application firewalls, conducting regular security assessments, and employing proper input sanitization techniques are essential defensive measures. The vulnerability also aligns with ATT&CK technique T1190 which covers exploitation of remote services, emphasizing the importance of network segmentation and access controls to limit potential attack surface. Regular security monitoring and log analysis should be implemented to detect potential exploitation attempts and maintain situational awareness of system integrity.