CVE-2018-25231

HeidiSQL 9.5.0.5196 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long file path in the logging preferences. Attackers can input a buffer-overflow payload through the SQL log file path field in Preferences > Logging to trigger an application crash.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/45806	Exploit VDB Entry
https://www.heidisql.com/	Product
https://www.heidisql.com/download.php	Product
https://www.vulncheck.com/advisories/heidisql-denial-of-service-via-preferences	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:heidisql:heidisql:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-30 12:16

Updated : 2026-06-17 01:55

NVD link : CVE-2018-25231

Mitre link : CVE-2018-25231

CVE.ORG link : CVE-2018-25231

JSON object : View

Products Affected

heidisql

heidisql

CWE

CWE-98

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

{"id": "CVE-2018-25231", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2018-25231", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-30T12:46:47.055448Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.5}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "Heidisql", "product": "HeidiSQL", "versions": [{"status": "affected", "version": "9.5.0.5196"}]}]}], "published": "2026-03-30T12:16:16.860", "references": [{"url": "https://www.exploit-db.com/exploits/45806", "tags": ["Exploit", "VDB Entry"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.heidisql.com/", "tags": ["Product"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.heidisql.com/download.php", "tags": ["Product"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/heidisql-denial-of-service-via-preferences", "tags": ["Third Party Advisory"], "source": "disclosure@vulncheck.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-98"}]}], "descriptions": [{"lang": "en", "value": "HeidiSQL 9.5.0.5196 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long file path in the logging preferences. Attackers can input a buffer-overflow payload through the SQL log file path field in Preferences > Logging to trigger an application crash."}, {"lang": "es", "value": "HeidiSQL 9.5.0.5196 contiene una vulnerabilidad de denegaci\u00f3n de servicio que permite a atacantes locales bloquear la aplicaci\u00f3n al proporcionar una ruta de archivo excesivamente larga en las preferencias de registro. Los atacantes pueden introducir una carga \u00fatil de desbordamiento de b\u00fafer a trav\u00e9s del campo de ruta del archivo de registro SQL en Preferencias > Registro para provocar un bloqueo de la aplicaci\u00f3n."}], "lastModified": "2026-06-17T01:55:02.130", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:heidisql:heidisql:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6649322C-0561-4E8C-B8B5-AEC6658B9DC8", "versionEndIncluding": "9.5.0.5196"}], "operator": "OR"}]}], "sourceIdentifier": "disclosure@vulncheck.com"}