CVE-2024-53506 in Siyuan
Summary
by MITRE • 11/29/2024
A SQL injection vulnerability has been identified in Siyuan 3.1.11 via the ids array parameter in /batchGetBlockAttrs.
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Analysis
by VulDB Data Team • 06/18/2025
The vulnerability CVE-2024-53506 represents a critical SQL injection flaw discovered in Siyuan version 3.1.11 within the batchGetBlockAttrs API endpoint. This vulnerability specifically targets the ids array parameter which is processed without adequate input validation or sanitization, creating an avenue for malicious actors to manipulate database queries through crafted input. The affected application appears to be a note-taking or knowledge management system that processes block attributes in batch operations, making this vulnerability particularly concerning given the potential for widespread data access and manipulation.
The technical exploitation of this vulnerability occurs when an attacker submits malicious input through the ids array parameter in the /batchGetBlockAttrs endpoint. The application fails to properly escape or parameterize user-supplied data before incorporating it into SQL queries, allowing attackers to inject arbitrary SQL commands. This flaw maps directly to CWE-89 which defines SQL injection as the insertion of malicious SQL code into input fields for execution by the database. The vulnerability demonstrates poor input validation practices and inadequate query parameterization, typical of insecure programming patterns that have been widely documented in industry security frameworks.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation could enable attackers to perform unauthorized database operations including data modification, deletion, or extraction of sensitive information. In a knowledge management system context, this could lead to compromise of user notes, personal data, and potentially system credentials stored within the database. The batch processing nature of the affected endpoint suggests that a single malicious request could potentially impact multiple data records simultaneously, amplifying the potential damage. Attackers could leverage this vulnerability to escalate privileges, create backdoor accounts, or establish persistent access to the system through database-level compromises.
Mitigation strategies should prioritize immediate implementation of proper input validation and parameterized queries to address the root cause of this vulnerability. The system should enforce strict type checking on the ids array parameter and implement proper SQL query parameterization to prevent malicious code injection. Security measures should include input sanitization routines that reject or escape special characters commonly used in SQL injection attacks, such as single quotes, semicolons, and comment delimiters. Organizations should also implement web application firewalls to detect and block suspicious patterns in API requests, and conduct thorough code reviews to identify similar vulnerabilities in other endpoints. Additionally, regular security testing including automated vulnerability scanning and manual penetration testing should be conducted to ensure the effectiveness of implemented controls. This vulnerability aligns with ATT&CK technique T1190 which describes exploitation of vulnerabilities in applications, emphasizing the importance of maintaining up-to-date security patches and implementing robust input validation mechanisms as defensive measures against such attacks.