Database crash via crafted GROUP BY query
Published Jan 14, 2025 · Updated Jan 15, 2025
Denial of service in dc_elt_size in OpenLink Virtuoso Open Source 7.2.11 allows attackers to crash the database via crafted SQL. A grouped SELECT combining a LEFT JOIN and GROUP BY reaches dc_elt_size through gb_values and terminates the server process; OpenLink has not published the invalid size calculation or memory operation. The published reproduction submits the statement over isql with DBA credentials, so unauthenticated reachability and impacts beyond a service crash are not demonstrated.
Summary
What happened
Denial of service in dc_elt_size in OpenLink Virtuoso Open Source 7.2.11 allows attackers to crash the database via crafted SQL. A grouped SELECT combining a LEFT JOIN and GROUP BY reaches dc_elt_size through gb_values and terminates the server process; OpenLink has not published the invalid size calculation or memory operation. The published reproduction submits the statement over isql with DBA credentials, so unauthenticated reachability and impacts beyond a service crash are not demonstrated.
The record
- CVE
- CVE-2024-57639
- Published
- Jan 14, 2025
- Updated
- Jan 15, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-89, T1499
- Attack vector
- network
- Privileges
- Unavailable
Timeline
How it unfolded
- Jan 14, 2025CVE publishedPublication date reported by the CVE source.
- Jan 15, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Virtuoso 7.2.11 dc_elt_size crash reproductionfunctional · demonstrated
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Technologies
Your stack
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Your stack
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