CVE-2022-29685 in Music Portal System
Summary
by MITRE • 05/26/2022
CSCMS Music Portal System v4.2 was discovered to contain a blind SQL injection vulnerability via the id parameter at /admin.php/User/level_sort.
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Analysis
by VulDB Data Team • 05/30/2022
The CVE-2022-29685 vulnerability represents a critical blind sql injection flaw within the CSCMS Music Portal System version 4.2 that poses significant risks to system integrity and data confidentiality. This vulnerability specifically manifests through the id parameter in the administrative endpoint /admin.php/User/level_sort, where improper input validation allows malicious actors to inject sql commands without immediate visible feedback. The blind nature of this injection means that attackers cannot directly observe database responses, making detection more challenging but not less dangerous. The vulnerability exists due to insufficient sanitization of user-supplied input before processing within the application's sql query execution pipeline, creating an attack surface that can be exploited to gain unauthorized access to sensitive information. This flaw directly violates security principles established in the owasp top ten project and aligns with CWE-89 which categorizes sql injection vulnerabilities as critical weaknesses in application security.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input for the id parameter that bypasses normal input validation mechanisms. The application fails to properly escape or parameterize sql query inputs, allowing attackers to manipulate the sql execution flow through carefully constructed payloads. In a blind sql injection scenario, attackers must rely on indirect methods to extract information, often employing time-based or boolean-based techniques to infer database contents. The administrative context of this vulnerability is particularly concerning as it provides access to the user management system, potentially enabling attackers to escalate privileges, modify user permissions, or extract sensitive user data including credentials and personal information. This type of vulnerability typically falls under the ATT&CK technique T1071.004 for application layer protocol usage and T1213.002 for data from information repositories, representing both lateral movement and data extraction capabilities.
The operational impact of CVE-2022-29685 extends beyond simple data theft, as successful exploitation can lead to complete system compromise and unauthorized administrative access. Attackers can leverage this vulnerability to establish persistent access points within the music portal system, potentially using it as a foothold for further attacks against connected systems or networks. The vulnerability's presence in the administrative interface means that unauthorized access could result in modification of user level configurations, creation of malicious user accounts, or complete system takeover. Organizations running CSCMS Music Portal System v4.2 are particularly vulnerable to these attacks, as the system's architecture does not implement proper input validation or sql injection prevention measures. The implications are severe given that this system likely handles user data, potentially including personal information, music library metadata, and user interaction records that could be monetized or used for further targeted attacks.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements within the CSCMS system. The primary solution involves implementing proper parameterized queries and input validation mechanisms that prevent sql injection attacks by separating sql code from user data. Organizations should immediately update to the latest version of CSCMS where this vulnerability has been patched, or implement web application firewalls that can detect and block malicious sql injection attempts. Additionally, the system should enforce strict input validation on all parameters, particularly those used in administrative functions, and implement proper error handling that does not expose database information to end users. Security measures should include regular penetration testing, code reviews focusing on sql query construction, and implementation of the principle of least privilege for administrative functions. The ATT&CK framework suggests implementing defensive measures such as T1566.001 for credential access prevention and T1071.004 for protocol analysis to monitor for exploitation attempts. Organizations should also consider implementing database activity monitoring and regular security audits to detect potential exploitation attempts and ensure that similar vulnerabilities are not present in other components of the system.