Overview
CVE-2025-13811 describes a SQL Injection vulnerability discovered in jsnjfz WebStack-Guns version 1.0. This flaw allows a remote attacker to execute arbitrary SQL commands by manipulating the `sort` argument in the `PageFactory.java` file. The vendor was notified but did not respond to the disclosure.
Technical Details
The vulnerability resides within the `src/main/java/com/jsnjfz/manage/core/common/constant/factory/PageFactory.java` file of the jsnjfz WebStack-Guns 1.0 application. By injecting malicious SQL code into the `sort` parameter, an attacker can bypass security measures and directly interact with the database. This allows them to read, modify, or even delete sensitive data. The publicly available exploit confirms that this attack can be executed remotely without authentication, increasing the severity of the risk.
CVSS Analysis
The CVSS score for CVE-2025-13811 is 6.3 (MEDIUM). This score indicates a significant risk due to the potential for unauthorized data access and manipulation. A breakdown of the CVSS metrics typically includes factors like attack vector (remote), attack complexity (low), privileges required (none), user interaction (none), scope (unchanged), confidentiality impact (low), integrity impact (low), and availability impact (low). While the confidentiality, integrity and availability impacts are listed as low, the ease of exploitation (public exploit available and remote execution) contributes to the overall medium severity.
Possible Impact
Successful exploitation of this SQL Injection vulnerability could lead to:
- Data Breach: Unauthorized access to sensitive user data, application configurations, and other confidential information stored in the database.
- Data Manipulation: Modification or deletion of data, potentially leading to application instability and data integrity issues.
- Account Takeover: In some scenarios, the attacker could potentially gain control of user accounts, including administrative accounts, leading to full system compromise.
- Denial of Service (DoS): An attacker might be able to execute SQL queries that disrupt the availability of the application.
Mitigation and Patch Steps
Unfortunately, given the lack of vendor response, a formal patch is unlikely. However, the following mitigation strategies can be implemented to reduce the risk:
- Input Validation: Implement strict input validation and sanitization on the `sort` parameter in `PageFactory.java`. Ensure that only expected values are accepted.
- Parameterized Queries: Use parameterized queries (also known as prepared statements) to prevent SQL injection. This separates the SQL code from the user-supplied data.
- Web Application Firewall (WAF): Deploy a WAF to detect and block malicious SQL injection attempts. Configure the WAF with rules specific to this vulnerability.
- Database Access Control: Limit database user privileges to the minimum required for the application to function. Avoid using overly permissive database accounts.
- Code Review: Conduct a thorough code review of `PageFactory.java` and other database-related code to identify and fix any potential SQL injection vulnerabilities.
- Consider Alternatives: If possible, consider migrating to a more secure alternative framework or library that addresses SQL injection vulnerabilities proactively.