CVE-2025-9648

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "CivetWeb", "vendor": "CivetWeb", "versions": [{"lessThan": "1.08", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThan": "1.10", "status": "unknown", "version": "1.08", "versionType": "semver"}, {"lessThanOrEqual": "1.16", "status": "affected", "version": "1.10", "versionType": "semver"}]}], "source": "cvd@cert.pl"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the CivetWeb library's function mg_handle_form_request allows remote attackers to trigger a denial of service (DoS) condition. By sending a specially crafted HTTP POST request containing a null byte in the payload, the server enters an infinite loop during form data parsing. Multiple malicious requests will result in complete CPU exhaustion and render the service unresponsive to further requests.\n\nThis issue was fixed in commit 782e189. This issue affects only the library, standalone executable pre-built by vendor is not affected."}, {"lang": "es", "value": "Una vulnerabilidad en la funci\u00f3n mg_handle_form_request de la biblioteca CivetWeb permite a atacantes remotos desencadenar una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Al enviar una solicitud HTTP POST especialmente dise\u00f1ada que contiene un byte nulo en la carga \u00fatil, el servidor entra en un bucle infinito durante el an\u00e1lisis de datos de formulario. M\u00faltiples solicitudes maliciosas resultar\u00e1n en un agotamiento completo de la CPU y dejar\u00e1n el servicio sin respuesta a solicitudes posteriores.\n\nEste problema fue corregido en el commit 782e189. Este problema afecta solo a la biblioteca, el ejecutable independiente precompilado por el proveedor no se ve afectado."}], "id": "CVE-2025-9648", "lastModified": "2026-10-19T16:10:00.260", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cvd@cert.pl", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-9648", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-09-29T12:53:35.264718Z", "version": "2.0.3"}}]}, "published": "2025-09-29T12:15:49.440", "references": [{"source": "cvd@cert.pl", "url": "https://cert.pl/en/posts/2025/09/CVE-2025-9648"}, {"source": "cvd@cert.pl", "url": "https://github.com/civetweb/civetweb"}, {"source": "cvd@cert.pl", "url": "https://github.com/civetweb/civetweb/commit/782e18903515f43bafbf2e668994e82bdfa51133"}, {"source": "cvd@cert.pl", "url": "https://github.com/civetweb/civetweb/issues/1348"}], "sourceIdentifier": "cvd@cert.pl", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-158"}], "source": "cvd@cert.pl", "type": "Secondary"}]}

{"bugzilla": {"description": "civetweb: Denial of Service in CivetWeb", "id": "2400107", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2400107"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-158", "details": ["No description is available for this CVE."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-9648", "package_state": [{"cpe": "cpe:/a:redhat:advanced_cluster_security:4", "fix_state": "Affected", "package_name": "advanced-cluster-security/rhacs-collector-rhel8", "product_name": "Red Hat Advanced Cluster Security 4"}, {"cpe": "cpe:/a:redhat:advanced_cluster_security:4", "fix_state": "Affected", "package_name": "advanced-cluster-security/rhacs-collector-slim-rhel8", "product_name": "Red Hat Advanced Cluster Security 4"}], "public_date": "2025-09-29T11:47:56Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-9648\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-9648\nhttps://cert.pl/en/posts/2025/09/CVE-2025-9648\nhttps://github.com/civetweb/civetweb\nhttps://github.com/civetweb/civetweb/commit/782e18903515f43bafbf2e668994e82bdfa51133\nhttps://github.com/civetweb/civetweb/issues/1348"], "statement": "On Red Hat systems a denial of service in the CivetWeb application does not pose a broader availability risk to the host.", "threat_severity": "Moderate"}

{"created": "2025-09-30T08:48:31.000921+00:00", "updated": "2025-09-30T08:48:31.000975+00:00", "vendors": ["civetweb_project", "civetweb_project$PRODUCT$civetweb"]}