{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-57801", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-08-20T14:30:35.009Z", "datePublished": "2025-08-22T19:54:05.854Z", "dateUpdated": "2025-08-22T20:06:00.913Z"}, "containers": {"cna": {"title": "gnark is vulnerable to signature malleability in EdDSA and ECDSA due to missing scalar checks", "problemTypes": [{"descriptions": [{"cweId": "CWE-347", "lang": "en", "description": "CWE-347: Improper Verification of Cryptographic Signature", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/Consensys/gnark/security/advisories/GHSA-95v9-hv42-pwrj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Consensys/gnark/security/advisories/GHSA-95v9-hv42-pwrj"}, {"name": "https://github.com/Consensys/gnark/commit/0ba6730f05537a351517998add89a61a0d82716e", "tags": ["x_refsource_MISC"], "url": "https://github.com/Consensys/gnark/commit/0ba6730f05537a351517998add89a61a0d82716e"}], "affected": [{"vendor": "Consensys", "product": "gnark", "versions": [{"version": "< 0.14.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-08-22T19:54:05.854Z"}, "descriptions": [{"lang": "en", "value": "gnark is a zero-knowledge proof system framework. In versions prior to 0.14.0, the Verify function in eddsa.go and ecdsa.go used the S value from a signature without asserting that 0 \u2264 S < order, leading to a signature malleability vulnerability. Because gnark\u2019s native EdDSA and ECDSA circuits lack essential constraints, multiple distinct witnesses can satisfy the same public inputs. In protocols where nullifiers or anti-replay checks are derived from R and S, this enables signature malleability and may allow double spending. This issue has been addressed in version 0.14.0."}], "source": {"advisory": "GHSA-95v9-hv42-pwrj", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-08-22T20:05:45.827084Z", "id": "CVE-2025-57801", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-22T20:06:00.913Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "gnark is a zero-knowledge proof system framework. In versions prior to 0.14.0, the Verify function in eddsa.go and ecdsa.go used the S value from a signature without asserting that 0 \u2264 S < order, leading to a signature malleability vulnerability. Because gnark\u2019s native EdDSA and ECDSA circuits lack essential constraints, multiple distinct witnesses can satisfy the same public inputs. In protocols where nullifiers or anti-replay checks are derived from R and S, this enables signature malleability and may allow double spending. This issue has been addressed in version 0.14.0."}, {"lang": "es", "value": "gnark es un framework de sistemas a prueba de conocimiento cero. En versiones anteriores a la 0.14.0, la funci\u00f3n Verificar de eddsa.go y ecdsa.go utilizaba el valor S de una firma sin afirmar que 0 ? S &lt; orden, lo que generaba una vulnerabilidad de maleabilidad de firma. Dado que los circuitos EdDSA y ECDSA nativos de Gnark carecen de restricciones esenciales, varios testigos distintos pueden satisfacer las mismas entradas p\u00fablicas. En protocolos donde los anuladores o las comprobaciones antirrepetici\u00f3n se derivan de R y S, esto permite la maleabilidad de firma y puede permitir el doble gasto. Este problema se ha solucionado en la versi\u00f3n 0.14.0."}], "id": "CVE-2025-57801", "lastModified": "2025-08-25T20:24:45.327", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "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:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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": "LOW", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-08-22T20:15:33.080", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Consensys/gnark/commit/0ba6730f05537a351517998add89a61a0d82716e"}, {"source": "security-advisories@github.com", "url": "https://github.com/Consensys/gnark/security/advisories/GHSA-95v9-hv42-pwrj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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