CVE-2024-57646 in virtuoso-opensource
Summary
by MITRE • 01/14/2025
An issue in the psiginfo component of openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.
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Analysis
by VulDB Data Team • 06/29/2025
The vulnerability identified as CVE-2024-57646 resides within the psiginfo component of the openlink virtuoso-opensource version 7.2.11, representing a critical denial of service weakness that can be exploited through carefully crafted SQL statements. This component is responsible for processing signal information within the Virtuoso database management system, which is widely used for semantic web applications and data integration services. The flaw manifests when the system processes malformed or specially constructed SQL queries that trigger improper handling of signal information, leading to system instability and potential service interruption.
The technical implementation of this vulnerability stems from insufficient input validation and error handling mechanisms within the psiginfo module. When an attacker submits malicious SQL statements designed to manipulate signal processing routines, the system fails to properly sanitize or validate the incoming data before processing. This lack of proper validation creates a condition where the system becomes vulnerable to resource exhaustion or stack corruption, ultimately resulting in the database service becoming unresponsive or crashing entirely. The vulnerability operates at the application layer and does not require authentication, making it particularly dangerous as it can be exploited remotely by any attacker with access to the database interface.
The operational impact of CVE-2024-57646 extends beyond simple service disruption, potentially affecting business continuity and data availability for organizations relying on Virtuoso for critical operations. Systems utilizing this database version may experience complete service outages, requiring manual intervention to restore functionality and potentially resulting in data loss or corruption during recovery processes. The vulnerability's exploitation can occur through standard database connections, making it difficult to detect and prevent without proper network monitoring and input validation measures in place. Organizations running multiple instances of Virtuoso may face cascading failures if the DoS condition affects interconnected services or if the vulnerability is leveraged as part of a broader attack campaign targeting database infrastructure.
Mitigation strategies for this vulnerability should focus on immediate patching of affected systems, with the vendor releasing updated versions that address the input validation deficiencies in the psiginfo component. Organizations should implement network segmentation and access controls to limit exposure to the database interface, while also deploying intrusion detection systems capable of identifying suspicious SQL statement patterns. The vulnerability aligns with CWE-129, which addresses insufficient input validation, and may be categorized under ATT&CK technique T1499 for network denial of service attacks. Additionally, implementing proper SQL injection prevention measures and regularly monitoring database logs for anomalous query patterns can help detect exploitation attempts before they succeed. Organizations should also consider implementing automated failover mechanisms and backup procedures to minimize downtime during potential exploitation events.