CVE-2023-0679 in Canteen Management System
Summary
by MITRE • 02/06/2023
A vulnerability was found in SourceCodester Canteen Management System 1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the file removeUser.php. The manipulation of the argument id leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-220220.
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Analysis
by VulDB Data Team • 03/05/2023
The CVE-2023-0679 vulnerability represents a critical sql injection flaw in the SourceCodester Canteen Management System version 1.0, specifically within the removeUser.php component. This vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly handle user-supplied data. The flaw manifests when the application processes the id parameter without sufficient sanitization, allowing malicious actors to inject arbitrary sql commands into the database query execution flow. The vulnerability's classification as critical indicates the potential for severe data compromise and system exploitation, making it a high-priority target for threat actors seeking to leverage this weakness for unauthorized access to sensitive information.
The technical exploitation of this vulnerability occurs through remote manipulation of the id argument passed to removeUser.php, which serves as the primary attack vector for sql injection. When an attacker supplies malicious input containing sql payload constructs within the id parameter, the application's insufficient input validation allows these commands to be executed directly against the underlying database system. This type of vulnerability directly maps to CWE-89, which specifically addresses sql injection weaknesses in software applications. The attack surface extends beyond simple data retrieval to include potential database manipulation, data exfiltration, and privilege escalation within the affected system's database layer.
The operational impact of CVE-2023-0679 extends significantly beyond the immediate database compromise, as the vulnerability can be exploited remotely without requiring physical access to the system infrastructure. This remote exploit capability aligns with ATT&CK technique T1190, which describes the exploitation of remote services to gain initial access to systems. The public disclosure of the exploit, as indicated by its VDB-220220 identifier, increases the likelihood of widespread exploitation across vulnerable installations. Organizations running the affected canteen management system may experience unauthorized access to user accounts, personal information disclosure, and potential complete database compromise, which could result in financial loss, regulatory compliance violations, and reputational damage.
Mitigation strategies for CVE-2023-0679 should prioritize immediate patch application from the vendor, as this represents the most effective solution to address the root cause of the vulnerability. Organizations should implement proper input validation and parameterized queries to prevent sql injection attacks, ensuring that all user-supplied data undergoes rigorous sanitization before database processing. Network segmentation and firewall rules can help limit access to the vulnerable application, while monitoring systems should be deployed to detect anomalous database access patterns that might indicate exploitation attempts. Additionally, implementing web application firewalls and regular security assessments can provide layered protection against similar vulnerabilities, with the vulnerability mapping to ATT&CK technique T1071.5 for application layer attacks that should be monitored and mitigated through comprehensive security controls.