CVE-2023-7138 in Client Details System
Summary
by MITRE • 12/29/2023
A vulnerability, which was classified as critical, was found in code-projects Client Details System 1.0. This affects an unknown part of the file /admin of the component HTTP POST Request Handler. The manipulation of the argument username leads to sql injection. The exploit has been disclosed to the public and may be used. The identifier VDB-249141 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 10/29/2025
This critical vulnerability exists within the code-projects Client Details System version 1.0, specifically within the administrative HTTP POST request handler component. The flaw manifests in the /admin endpoint where user input validation is insufficiently implemented, creating a pathway for malicious actors to exploit SQL injection techniques through the username parameter. The vulnerability represents a significant security risk as it allows unauthorized individuals to manipulate database queries and potentially gain complete control over the underlying database infrastructure. The disclosure of this exploit to the public community significantly increases the threat surface and makes this vulnerability immediately actionable by attackers. The vulnerability classification as critical indicates the severe impact potential, which aligns with CWE-89 - SQL Injection, a well-documented weakness that enables attackers to execute arbitrary SQL commands against the database. This particular instance demonstrates a classic SQL injection vulnerability where the username parameter lacks proper sanitization and input validation mechanisms. The attack vector operates through the HTTP POST request handler in the administrative section, making it accessible to users with administrative privileges or those who can submit requests to the vulnerable endpoint.
The technical exploitation of this SQL injection vulnerability occurs when an attacker submits a malicious username value that contains SQL payload constructs. The absence of proper parameterized queries or input sanitization allows the injected SQL code to execute within the database context, potentially enabling data extraction, modification, or deletion operations. The vulnerability's impact extends beyond simple data theft as it can facilitate privilege escalation attacks, allowing attackers to bypass authentication mechanisms and gain administrative access to the system. This particular flaw affects the database layer directly, making it a high-value target for attackers seeking to compromise the entire backend infrastructure. The vulnerability's presence in the administrative component specifically amplifies its danger since it provides access to sensitive user data and system configuration information. The exploitability factor is enhanced by the public disclosure of the vulnerability, which means that threat actors have detailed information about how to leverage this weakness effectively.
The operational impact of this vulnerability is substantial as it creates multiple attack pathways for malicious actors to compromise the client details system. Attackers can potentially extract confidential information including user credentials, client data, and system configurations that are stored within the database. The vulnerability also enables persistent access to the system, allowing attackers to maintain control over the compromised environment for extended periods. Organizations utilizing this system face significant risks including data breaches, regulatory compliance violations, and potential financial losses due to compromised client information. The SQL injection vulnerability can also serve as a stepping stone for more sophisticated attacks, enabling attackers to escalate privileges and move laterally within the network infrastructure. The administrative access provided by this vulnerability could allow attackers to modify system configurations, install backdoors, or disable security controls. This particular vulnerability aligns with ATT&CK technique T1078 - Valid Accounts, as successful exploitation could lead to legitimate administrative access, and T1041 - Exfiltration Over C2 Channel, as compromised systems may be used for data exfiltration activities.
Organizations should immediately implement comprehensive mitigation strategies to address this vulnerability. The primary remediation involves implementing proper input validation and parameterized queries throughout the application code, particularly in the administrative HTTP POST request handler component. The system should be updated to sanitize all user inputs and employ prepared statements to prevent SQL injection attacks. Additionally, organizations should conduct immediate security assessments to identify any other potential SQL injection vulnerabilities within the application codebase. Network segmentation and access controls should be strengthened to limit access to the administrative endpoints, reducing the attack surface. Regular security audits and penetration testing should be implemented to identify and remediate similar vulnerabilities before they can be exploited. The implementation of web application firewalls and database activity monitoring systems can provide additional layers of protection and detection capabilities. Security patches should be applied immediately upon availability from the vendor, and organizations should consider implementing automated vulnerability scanning tools to continuously monitor for similar weaknesses. The vulnerability's classification as critical necessitates immediate attention and prioritization in the organization's security response plan, with incident response procedures activated to assess potential compromise and implement comprehensive remediation measures.