CVE-2018-19923 in Sales
Summary
by MITRE
An issue was discovered in Sales & Company Management System (SCMS) through 2018-06-06. There is member/member_email.php?action=edit CSRF.
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Analysis
by VulDB Data Team • 04/18/2020
The vulnerability identified as CVE-2018-19923 resides within the Sales & Company Management System (SCMS) version 2018-06-06 and earlier, representing a critical cross-site request forgery flaw that compromises the system's integrity and user security. This issue specifically affects the member/member_email.php page when executed with the edit action parameter, creating a dangerous attack vector that allows malicious actors to manipulate user accounts without their knowledge or consent. The vulnerability stems from the application's failure to implement proper anti-CSRF measures, leaving the system susceptible to unauthorized modifications of user email addresses and potentially other account settings.
The technical exploitation of this CSRF vulnerability occurs when an authenticated user visits a malicious website or clicks on a crafted link that triggers an unauthorized request to the vulnerable SCMS application. The attack leverages the user's existing session cookies to perform actions on their behalf, specifically targeting the email update functionality within the member management interface. This flaw represents a direct violation of the principle of least privilege and demonstrates poor input validation practices within the application's security architecture. According to CWE classification, this vulnerability maps to CWE-352 Cross-Site Request Forgery, which is categorized under the broader category of injection flaws and specifically addresses the lack of proper request validation mechanisms.
The operational impact of this vulnerability extends beyond simple email address modification, as it creates a potential gateway for more severe attacks within the SCMS environment. An attacker could leverage this flaw to redirect user emails to malicious addresses, potentially intercepting important notifications, account recovery emails, or business communications. The consequences could include unauthorized access to user accounts through email-based password resets, disruption of business communications, and potential data exfiltration. This vulnerability particularly affects organizations relying on SCMS for business operations, as compromised user accounts could lead to financial losses, regulatory compliance violations, and reputational damage. The attack requires minimal sophistication and can be executed through simple HTML forms or JavaScript code, making it particularly dangerous in environments where users may not be security-aware.
Mitigation strategies for this CSRF vulnerability should prioritize the immediate implementation of anti-CSRF tokens within the application's authentication flows, specifically targeting the member_email.php page and similar administrative functions. Organizations should deploy proper token generation and validation mechanisms that tie requests to specific user sessions, ensuring that each request contains a unique, unpredictable token that cannot be forged by attackers. The implementation should follow established security frameworks such as those outlined in the OWASP CSRF Prevention Cheat Sheet, which recommends using synchronized tokens, custom headers, or origin validation methods. Additionally, the application should implement proper HTTP headers including Content Security Policy directives to limit the scope of potential attacks. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities across the application's codebase, while security awareness training for developers should emphasize the importance of CSRF protection in web application development. The vulnerability also highlights the necessity of implementing proper session management and authentication controls, aligning with ATT&CK framework techniques that address credential access and privilege escalation through web application flaws.