CVE-2024-57661 – A vulnerability in the sqlo_df component of Ope... (How to Fix)

Q: What is the severity of CVE-2024-57661?

CVE-2024-57661 has a CVSS score of 7.5 (HIGH). A vulnerability in the sqlo_df component of OpenLink Virtuoso OpenSource allows attackers to cause Denial of Service (DoS) through specially crafted SQL statements. This affects organizations running vulnerable versions of Virtuoso database servers, potentially disrupting database availability and dependent applications.

📋 TL;DR

A vulnerability in the sqlo_df component of OpenLink Virtuoso OpenSource allows attackers to cause Denial of Service (DoS) through specially crafted SQL statements. This affects organizations running vulnerable versions of Virtuoso database servers, potentially disrupting database availability and dependent applications.

💻 Affected Systems

Products:

OpenLink Virtuoso OpenSource

Versions: v7.2.11 and potentially earlier versions

Operating Systems: All platforms running Virtuoso

Default Config Vulnerable: ⚠️ Yes

Notes: Any Virtuoso installation using the sqlo_df component with default configuration is vulnerable

📦 What is this software?

Virtuoso by Openlinksw

View all CVEs affecting Virtuoso →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database service disruption, making all dependent applications unavailable until service restart

🟠

Likely Case

Temporary database unavailability requiring manual intervention to restore service

🟢

If Mitigated

Minimal impact with proper input validation and monitoring in place

🌐 Internet-Facing: HIGH - Database servers exposed to the internet are directly vulnerable to crafted SQL attacks

🏢 Internal Only: MEDIUM - Internal attackers or compromised systems could still exploit this vulnerability

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Requires ability to execute SQL statements against the database, but no authentication bypass is mentioned

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check GitHub issue for latest patched version

Vendor Advisory: https://github.com/openlink/virtuoso-opensource/issues/1220

Restart Required: No

Instructions:

1. Monitor the GitHub issue for patch release. 2. Update to the patched version when available. 3. Test in non-production environment first. 4. Apply to production systems during maintenance window.

🔧 Temporary Workarounds

Input Validation and Filtering

all

Implement strict input validation and filtering for SQL statements to prevent crafted queries

Database User Privilege Reduction

all

Limit database user privileges to minimum required, preventing execution of dangerous operations

🧯 If You Can't Patch

Implement network segmentation to restrict database access to trusted applications only
Deploy Web Application Firewall (WAF) with SQL injection protection rules

🔍 How to Verify

Check if Vulnerable:

Check Virtuoso version and compare against vulnerable versions listed in GitHub issue

Check Version:

SELECT DB.DBA.SYS_VERSION();

Verify Fix Applied:

Verify version is updated beyond vulnerable version and test with safe SQL statements

📡 Detection & Monitoring

Log Indicators:

Unusually long or complex SQL queries
Database service crashes or restarts
High CPU/memory usage spikes from database process

Network Indicators:

Multiple failed SQL queries from single source
Unusual SQL statement patterns

SIEM Query:

source="virtuoso.log" AND ("crash" OR "segfault" OR "abnormal termination")

📊 Metadata

CVE ID: CVE-2024-57661

CVSS v3 Score: 7.5 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE: CWE-404

EPSS Score: 0.26% exploit probability (49.2th percentile)

Published: January 14, 2025

Last Updated: April 17, 2025

🔗 References

https://github.com/openlink/virtuoso-opensource/issues/1220 Exploit,Issue Tracking

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🔗 Related Vulnerabilities

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