CVE-2017-18194 in HamayeshNegar
Summary
by MITRE
SQL injection vulnerability in users/signup.php in the "signup" component in HamayeshNegar CMS allows a remote attacker to execute arbitrary SQL commands via the "utype" parameter.
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Analysis
by VulDB Data Team • 01/07/2020
The CVE-2017-18194 vulnerability represents a critical sql injection flaw within the hamayeshnegar content management system that specifically targets the user registration functionality. This vulnerability exists in the users/signup.php file within the signup component of the cms platform, making it accessible to remote attackers who can exploit the weakness without requiring local system access or authentication credentials. The vulnerability stems from inadequate input validation and sanitization of user-supplied data, particularly affecting the utype parameter that is used to determine user type during the registration process.
The technical exploitation of this vulnerability occurs through improper handling of the utype parameter which is directly incorporated into sql query construction without appropriate sanitization or parameterization. When an attacker submits malicious input through this parameter, the cms fails to properly escape or validate the data before incorporating it into database queries, creating an environment where arbitrary sql commands can be executed. This flaw enables attackers to manipulate the underlying database structure and potentially gain unauthorized access to sensitive user information, modify database records, or even escalate privileges within the system.
The operational impact of this vulnerability extends beyond simple data theft, as it can lead to complete system compromise and unauthorized access to user accounts. Attackers can leverage this weakness to extract confidential user data including usernames, passwords, and personal information stored in the database. Additionally, the vulnerability may allow for privilege escalation attacks where attackers can manipulate the utype parameter to gain administrative access to the cms system. The remote nature of this exploit means that attackers can target the system from anywhere on the internet without requiring physical access or specialized local tools, making it particularly dangerous for organizations relying on hamayeshnegar cms for their web presence.
Organizations utilizing hamayeshnegar cms should implement immediate mitigations including input validation and sanitization measures, parameterized queries, and proper output encoding to prevent sql injection attacks. The vulnerability aligns with CWE-89 which categorizes sql injection as a fundamental weakness in software security, and can be mapped to ATT&CK technique T1071.004 for application layer protocol manipulation. System administrators should also consider implementing web application firewalls, regular security audits, and input validation routines that specifically target sql injection patterns. Patch management should be prioritized to address this vulnerability promptly, as the cms vendor likely released security updates to resolve this issue. Organizations should also conduct comprehensive security assessments to identify similar vulnerabilities in other components of their web applications and implement defense-in-depth strategies to protect against similar attacks.