CVE-2019-19732 in YetiShare
Summary
by MITRE
translation_manage_text.ajax.php and various *_manage.ajax.php in MFScripts YetiShare 3.5.2 through 4.5.3 directly insert values from the aSortDir_0 and/or sSortDir_0 parameter into a SQL string. This allows an attacker to inject their own SQL and manipulate the query, typically extracting data from the database, aka SQL Injection.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 03/18/2024
The vulnerability identified as CVE-2019-19732 affects MFScripts YetiShare versions 3.5.2 through 4.5.3 and represents a critical sql injection flaw in the application's data handling mechanisms. This vulnerability exists in the translation_manage_text.ajax.php file and various *_manage.ajax.php components, which process user input without proper sanitization or parameterization. The flaw specifically occurs when the application directly incorporates values from the aSortDir_0 and sSortDir_0 parameters into sql query strings, creating an exploitable condition that allows malicious actors to manipulate database operations through crafted input.
The technical implementation of this vulnerability stems from the application's failure to properly validate and sanitize user-supplied parameters before incorporating them into sql queries. When attackers provide malicious input through these parameters, the application treats the input as part of the sql command structure rather than as data to be processed, enabling attackers to inject sql commands that can alter the intended query behavior. This pattern aligns with common sql injection vulnerabilities classified under CWE-89, which describes improper neutralization of special elements used in sql commands. The vulnerability is particularly dangerous because it operates at the database interaction layer where attackers can potentially extract sensitive information, modify database contents, or even escalate privileges within the application's data environment.
The operational impact of this vulnerability extends beyond simple data extraction to potentially enable full database compromise and unauthorized access to sensitive user information. Attackers can leverage this flaw to perform unauthorized data retrieval operations, including accessing user credentials, personal information, and system configuration details stored in the database. The vulnerability affects the application's sorting functionality, which is commonly used in administrative interfaces and user management systems, making it particularly attractive to threat actors seeking to exploit administrative access or extract user data. According to ATT&CK framework category T1071.004, this vulnerability represents a network protocol abuse technique where attackers manipulate application interfaces to gain unauthorized access to backend systems.
Mitigation strategies for this vulnerability require immediate implementation of parameterized queries and input validation mechanisms throughout the affected application components. The most effective remediation involves replacing direct parameter concatenation with prepared statements or parameterized queries that separate sql command structure from data values. Organizations should also implement proper input sanitization routines that validate and filter all user-supplied data before processing, particularly for parameters used in database operations. Additionally, implementing web application firewalls and input validation rules can provide additional defense layers against exploitation attempts. The vulnerability demonstrates the critical importance of following secure coding practices and adhering to the principle of least privilege when handling database interactions, as outlined in various security frameworks including OWASP Top 10 and NIST cybersecurity guidelines. Regular security assessments and code reviews should be conducted to identify similar injection vulnerabilities in other application components, ensuring comprehensive protection against sql injection attacks across the entire software ecosystem.