CVE-2019-7316 in Chat2
Summary
by MITRE
An issue was discovered in CSS-TRICKS Chat2 through 2015-05-05. The userid parameter in jumpin.php has a SQL injection vulnerability.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/04/2023
The vulnerability identified in CVE-2019-7316 affects CSS-TRICKS Chat2 version 2015-05-05 and earlier, representing a critical security flaw that exposes the application to unauthorized data access and potential system compromise. This issue resides within the jumpin.php script where the userid parameter is processed without proper input validation or sanitization, creating an avenue for malicious actors to manipulate database queries through crafted input sequences. The vulnerability demonstrates a classic lack of proper parameterized query implementation, which fundamentally undermines the application's security posture and creates opportunities for attackers to execute arbitrary SQL commands against the underlying database system.
The technical exploitation of this SQL injection vulnerability follows established patterns that align with CWE-89, which categorizes improper neutralization of special elements used in SQL commands as a primary weakness. Attackers can manipulate the userid parameter to inject malicious SQL syntax that bypasses authentication mechanisms, extracts sensitive database information, or even modifies database records. This vulnerability operates at the application layer and can be exploited through simple parameter manipulation techniques, making it particularly dangerous as it requires minimal expertise to exploit successfully. The attack surface is limited to the specific endpoint jumpin.php but can potentially lead to full database compromise when combined with other reconnaissance activities.
The operational impact of this vulnerability extends beyond simple data theft to encompass potential system-wide compromise and business disruption. Successful exploitation could allow attackers to access user credentials, personal information, and other sensitive data stored within the application's database. The vulnerability's persistence across multiple versions of the software indicates a fundamental architectural flaw that was not properly addressed during development cycles. This creates ongoing risk for organizations that continue to use outdated versions of the software, as they remain exposed to automated scanning and exploitation attempts that target known vulnerabilities in legacy systems. The vulnerability also represents a significant risk to the application's integrity and availability, as attackers could potentially modify or delete critical data elements.
Organizations affected by this vulnerability should implement immediate mitigations including input validation, parameterized queries, and proper access controls to prevent exploitation attempts. The recommended approach involves implementing strict input sanitization measures that filter or escape special characters before database processing, combined with proper database user permissions that limit the privileges of application accounts. Additionally, organizations should consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts. The remediation process should include immediate patching of the affected software version, along with comprehensive code review to identify and address similar vulnerabilities in other application components. This vulnerability serves as a reminder of the importance of following secure coding practices and maintaining up-to-date security measures in web applications, as outlined in various security frameworks and standards that emphasize the need for input validation and proper database access controls.