{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-12199", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2025-10-25T06:22:00.749Z", "datePublished": "2025-10-27T01:02:09.029Z", "dateUpdated": "2025-10-27T01:02:09.029Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2025-10-27T01:02:09.029Z"}, "title": "dnsmasq Config File network.c check_servers null pointer dereference", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-476", "lang": "en", "description": "NULL Pointer Dereference"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-404", "lang": "en", "description": "Denial of Service"}]}], "affected": [{"vendor": "n/a", "product": "dnsmasq", "versions": [{"version": "2.73rc1", "status": "affected"}, {"version": "2.73rc2", "status": "affected"}, {"version": "2.73rc3", "status": "affected"}, {"version": "2.73rc4", "status": "affected"}, {"version": "2.73rc5", "status": "affected"}, {"version": "2.73rc6", "status": "affected"}], "modules": ["Config File Handler"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in dnsmasq up to 2.73rc6. Affected by this vulnerability is the function check_servers of the file src/network.c of the component Config File Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "de", "value": "Es wurde eine Schwachstelle in dnsmasq up to 2.73rc6 entdeckt. Das betrifft die Funktion check_servers der Datei src/network.c der Komponente Config File Handler. Dank Manipulation mit unbekannten Daten kann eine null pointer dereference-Schwachstelle ausgenutzt werden. Umgesetzt werden muss der Angriff lokal. Die Ausnutzung wurde ver\u00f6ffentlicht und kann verwendet werden."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 4.8, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 3.3, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R", "baseSeverity": "LOW"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 3.3, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R", "baseSeverity": "LOW"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 1.7, "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2025-10-25T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2025-10-25T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2025-10-25T08:27:12.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "zh_vul (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/?id.329869", "name": "VDB-329869 | dnsmasq Config File network.c check_servers null pointer dereference", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.329869", "name": "VDB-329869 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.673154", "name": "Submit #673154 | dnsmasq v2.73rc6 NULL Pointer Dereference", "tags": ["third-party-advisory"]}, {"url": "https://shimo.im/docs/ZzkLMVMN7vIYJBAQ/", "tags": ["exploit"]}], "tags": ["x_open-source"]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in dnsmasq up to 2.73rc6. Affected by this vulnerability is the function check_servers of the file src/network.c of the component Config File Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "id": "CVE-2025-12199", "lastModified": "2025-10-27T01:15:39.737", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 1.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.1, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2025-10-27T01:15:39.737", "references": [{"source": "cna@vuldb.com", "url": "https://shimo.im/docs/ZzkLMVMN7vIYJBAQ/"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?ctiid.329869"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?id.329869"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?submit.673154"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-404"}, {"lang": "en", "value": "CWE-476"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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