{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-53634", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-07-07T14:20:38.390Z", "datePublished": "2025-07-10T19:39:57.816Z", "dateUpdated": "2025-07-10T20:26:58.612Z"}, "containers": {"cna": {"title": "Chall-Manager's HTTP Gateway have no header check timeout leading to potential slow loris attacks", "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "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", "version": "4.0"}}], "references": [{"name": "https://github.com/ctfer-io/chall-manager/security/advisories/GHSA-ggmv-j932-q89q", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ctfer-io/chall-manager/security/advisories/GHSA-ggmv-j932-q89q"}, {"name": "https://github.com/ctfer-io/chall-manager/commit/1385bd869142651146cd0b123085f91cec698636", "tags": ["x_refsource_MISC"], "url": "https://github.com/ctfer-io/chall-manager/commit/1385bd869142651146cd0b123085f91cec698636"}, {"name": "https://github.com/ctfer-io/chall-manager/releases/tag/v0.1.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/ctfer-io/chall-manager/releases/tag/v0.1.4"}], "affected": [{"vendor": "ctfer-io", "product": "chall-manager", "versions": [{"version": "< 0.1.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-07-10T19:39:57.816Z"}, "descriptions": [{"lang": "en", "value": "Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. The HTTP Gateway processes headers, but with no timeout set. With a slow loris attack, an attacker could cause Denial of Service (DoS). Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 1385bd8 and shipped in v0.1.4."}], "source": {"advisory": "GHSA-ggmv-j932-q89q", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-07-10T20:26:52.981980Z", "id": "CVE-2025-53634", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2025-07-10T20:26:58.612Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. The HTTP Gateway processes headers, but with no timeout set. With a slow loris attack, an attacker could cause Denial of Service (DoS). Exploitation does not require authentication nor authorization, so anyone can exploit it. It should nonetheless not be exploitable as it is highly recommended to bury Chall-Manager deep within the infrastructure due to its large capabilities, so no users could reach the system. Patch has been implemented by commit 1385bd8 and shipped in v0.1.4."}, {"lang": "es", "value": "Chall-Manager es un sistema independiente de la plataforma, capaz de iniciar desaf\u00edos a petici\u00f3n de un jugador. La puerta de enlace HTTP procesa los encabezados, pero sin tiempo de espera establecido. Con un ataque lento de Loris, un atacante podr\u00eda causar una denegaci\u00f3n de servicio (DoS). Su explotaci\u00f3n no requiere autenticaci\u00f3n ni autorizaci\u00f3n, por lo que cualquiera puede hacerlo. Sin embargo, no deber\u00eda ser explotable, ya que se recomienda encarecidamente integrar Chall-Manager en la infraestructura debido a sus amplias capacidades, de modo que ning\u00fan usuario pueda acceder al sistema. El parche se implement\u00f3 mediante el commit 1385bd8 y se public\u00f3 en la versi\u00f3n v0.1.4."}], "id": "CVE-2025-53634", "lastModified": "2025-07-15T13:14:49.980", "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": "[email protected]", "type": "Secondary"}]}, "published": "2025-07-10T20:15:27.987", "references": [{"source": "[email protected]", "url": "https://github.com/ctfer-io/chall-manager/commit/1385bd869142651146cd0b123085f91cec698636"}, {"source": "[email protected]", "url": "https://github.com/ctfer-io/chall-manager/releases/tag/v0.1.4"}, {"source": "[email protected]", "url": "https://github.com/ctfer-io/chall-manager/security/advisories/GHSA-ggmv-j932-q89q"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "[email protected]", "type": "Primary"}]}

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