CVE-2018-12470 in Linux SMT
Summary
by MITRE
A SQL Injection in the RegistrationSharing module of SUSE Linux SMT allows remote attackers to cause execute arbitrary SQL statements. Affected releases are SUSE Linux SMT: versions prior to 3.0.37.
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Analysis
by VulDB Data Team • 05/22/2023
The vulnerability identified as CVE-2018-12470 represents a critical SQL injection flaw within the RegistrationSharing module of SUSE Linux SMT software. This security weakness stems from inadequate input validation and sanitization mechanisms that fail to properly handle user-supplied data before incorporating it into database queries. The vulnerability specifically affects SUSE Linux SMT versions prior to 3.0.37, indicating that the issue was introduced in earlier code implementations where proper security controls were either absent or insufficiently implemented. The flaw resides in how the system processes registration and sharing requests, making it susceptible to malicious input manipulation that can bypass normal authentication and authorization mechanisms.
The technical exploitation of this vulnerability occurs when remote attackers submit specially crafted SQL commands through the RegistrationSharing module interface. These malicious inputs are then directly concatenated into database queries without proper escaping or parameterization, allowing attackers to manipulate the underlying database structure. This type of vulnerability maps directly to CWE-89 which defines SQL injection as the insertion of malicious SQL code into input fields for execution by the database. The attack vector is particularly concerning because it enables remote code execution capabilities that can result in complete database compromise, data exfiltration, and potential lateral movement within the affected system environment. The vulnerability demonstrates a classic lack of proper input validation and output encoding practices that are fundamental to preventing injection attacks.
The operational impact of CVE-2018-12470 extends beyond simple data corruption or unauthorized access to encompass full system compromise potential. Attackers can leverage this vulnerability to execute arbitrary SQL commands that may allow them to extract sensitive information from the database, modify or delete critical records, and potentially escalate privileges within the system. The RegistrationSharing module typically handles user registration and system sharing functionalities, meaning that successful exploitation could provide attackers with access to user credentials, system configurations, and other sensitive operational data. This vulnerability creates a pathway for attackers to gain persistence within the environment and could facilitate more sophisticated attacks such as privilege escalation or data manipulation. The impact is particularly severe in enterprise environments where SUSE Linux SMT systems manage critical infrastructure components and user authentication services.
Mitigation strategies for this vulnerability primarily focus on immediate patching and system updates to versions 3.0.37 or later where the SQL injection flaws have been addressed. Organizations should implement comprehensive input validation measures including parameterized queries, stored procedures, and proper escaping mechanisms to prevent similar vulnerabilities from occurring in other components. Network segmentation and access controls should be enforced to limit exposure of the affected module to trusted networks only. Security monitoring should be enhanced to detect anomalous database query patterns that might indicate exploitation attempts. The remediation process should include thorough vulnerability assessments of related systems and modules to identify potential similar weaknesses. Additionally, implementing web application firewalls and database activity monitoring solutions can provide additional layers of protection against exploitation attempts. According to ATT&CK framework, this vulnerability would be categorized under T1071.004 for application layer protocols and T1190 for exploit public-facing application, highlighting the need for both network-level and application-level defensive measures. The vulnerability also underscores the importance of following secure coding practices and implementing proper input sanitization as outlined in industry standards such as OWASP Top Ten and NIST cybersecurity guidelines.