CVE-2024-2155 in Best POS Management System
Summary
by MITRE • 03/04/2024
A vulnerability was found in SourceCodester Best POS Management System 1.0 and classified as problematic. This issue affects some unknown processing of the file index.php. The manipulation of the argument page leads to file inclusion. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-255587.
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Analysis
by VulDB Data Team • 04/04/2024
This vulnerability resides within the SourceCodester Best POS Management System version 1.0, representing a critical security flaw that enables remote attackers to execute arbitrary file inclusion attacks through manipulation of the page parameter in the index.php file. The vulnerability classification as problematic indicates a significant risk to system integrity and data security, particularly when considering the nature of point-of-sale systems which typically handle sensitive financial and customer information. The attack vector operates remotely, eliminating the need for physical access to the target system and significantly expanding the potential attack surface.
The technical flaw manifests through improper input validation and sanitization of the page argument parameter, which allows attackers to inject malicious file paths that can be included and executed by the web application. This represents a classic case of insecure file inclusion vulnerability, where user-supplied input directly influences file inclusion operations without adequate validation. The vulnerability's exploitation potential is amplified by the fact that the exploit has been publicly disclosed, meaning threat actors can readily leverage existing attack scripts and methodologies. This type of vulnerability typically maps to CWE-88 and CWE-94 within the Common Weakness Enumeration framework, specifically addressing issues related to improper neutralization of argument separators in shell commands and improper control of generation of code.
The operational impact of this vulnerability extends beyond simple unauthorized code execution, as it provides attackers with potential access to sensitive data within the POS system, including transaction records, customer information, and potentially payment card details. The remote exploitation capability means that attackers can target systems from anywhere on the internet without requiring local network access or physical presence. This vulnerability directly aligns with several ATT&CK techniques including T1059.007 for scripting and T1190 for exploit for client execution, as the attack leverages legitimate application functionality to execute malicious code. The compromised system could serve as a foothold for further lateral movement within networks, particularly if the POS system is connected to other corporate systems or databases.
Mitigation strategies should focus on immediate input validation and sanitization of all user-supplied parameters, particularly those used in file inclusion operations. Implementing a whitelist approach for acceptable page parameters and removing the ability to dynamically include files based on user input provides the most effective defense. Additionally, the system should employ proper access controls and authentication mechanisms to limit exposure to unauthorized users. Regular security updates and patch management procedures should be implemented to address similar vulnerabilities in third-party components. Network segmentation and monitoring solutions should be deployed to detect and prevent unauthorized access attempts, while security audits should be conducted to identify and remediate similar vulnerabilities in other application components. The vulnerability's public disclosure status necessitates immediate action to implement defensive measures, as the risk of exploitation increases with the availability of public exploit code.