CVE-2024-24213 in PostgreSQL
Summary
by MITRE • 02/08/2024
Supabase PostgreSQL v15.1 was discovered to contain a SQL injection vulnerability via the component /pg_meta/default/query.
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Analysis
by VulDB Data Team • 08/19/2024
The vulnerability identified as CVE-2024-24213 affects Supabase PostgreSQL version 15.1 and represents a critical SQL injection flaw within the /pg_meta/default/query component. This vulnerability arises from insufficient input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into database queries. The affected component appears to process API requests that interact with PostgreSQL metadata, creating an avenue for malicious actors to inject arbitrary SQL commands through crafted input parameters. The flaw exists in the application's query processing logic where user-controllable inputs are directly concatenated or embedded into SQL execution statements without proper parameterization or sanitization measures. This type of vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection weaknesses in software applications.
The operational impact of this vulnerability is severe and multifaceted across multiple attack vectors. An attacker could exploit this flaw to execute unauthorized database operations including data retrieval, modification, or deletion from the underlying PostgreSQL instance. The vulnerability potentially allows for privilege escalation attacks where malicious users could gain elevated access rights to database resources beyond their intended permissions. Additionally, the flaw could enable data exfiltration attacks targeting sensitive information stored within the database, including user credentials, personal data, and business-critical information. The attack surface extends to potential denial of service conditions where database resources could be exhausted through malicious query execution patterns. This vulnerability directly maps to MITRE ATT&CK technique T1071.004 for application layer protocol usage and T1566 for credential access through exploitation of database vulnerabilities.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security hardening measures. The most critical action involves implementing proper input validation and parameterized query execution throughout the affected component. All user-supplied inputs should be rigorously sanitized and validated against expected data formats before processing. Database access controls should be strictly enforced through the principle of least privilege, ensuring that application accounts have minimal necessary permissions. Regular security auditing and code reviews should be implemented to identify similar patterns in other components that might be susceptible to similar injection attacks. Network-level protections including web application firewalls and intrusion detection systems should be configured to monitor for suspicious query patterns and potential exploitation attempts. The fix should involve complete replacement of direct string concatenation with proper prepared statements or parameterized queries as recommended by security best practices. Additionally, comprehensive logging and monitoring should be implemented to detect and respond to potential exploitation attempts, with alerts configured for unusual database access patterns that may indicate successful exploitation of the vulnerability.