CVE-2025-66016

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{"affected": [{"affectedData": [{"product": "cggmp21", "vendor": "LFDT-Lockness", "versions": [{"status": "affected", "version": "< 0.6.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "CGGMP24 is a state-of-art ECDSA TSS protocol that supports 1-round signing (requires 3 preprocessing rounds), identifiable abort, and a key refresh protocol. Prior to version 0.6.3, there is a missing check in the ZK proof that enables an attack in which single malicious signer can reconstruct full private key. This issue has been patched in version 0.6.3, for full mitigation it is recommended to upgrade to cggmp24 version 0.7.0-alpha.2 as it contains more security checks."}, {"lang": "es", "value": "CGGMP24 es un protocolo ECDSA TSS de \u00faltima generaci\u00f3n que soporta firma de 1 ronda (requiere 3 rondas de preprocesamiento), aborto identificable y un protocolo de refresco de clave. Versiones anteriores a la versi\u00f3n 0.6.3, existe una verificaci\u00f3n faltante en la prueba ZK que permite un ataque en el que un \u00fanico firmante malicioso puede reconstruir la clave privada completa. Este problema ha sido parcheado en la versi\u00f3n 0.6.3; para una mitigaci\u00f3n completa, se recomienda actualizar a la versi\u00f3n cggmp24 0.7.0-alpha.2, ya que contiene m\u00e1s comprobaciones de seguridad."}], "id": "CVE-2025-66016", "lastModified": "2026-10-18T20:10:00.110", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "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:H/VI:H/VA:N/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-66016", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-11-25T20:52:37.881136Z", "version": "2.0.3"}}]}, "published": "2025-11-25T20:16:00.640", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-m95p-425x-x889"}, {"source": "security-advisories@github.com", "url": "https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-345"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2025-11-28T08:51:29.044053+00:00", "updated": "2025-11-28T08:51:29.044078+00:00", "vendors": ["lfdt-lockness", "lfdt-lockness$PRODUCT$cggmp24"]}