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due to a failure to check for changes in the CURLOPT_GSSAPI_DELEGATION option. This vulnerability affects krb5/kerberos/negotiate/GSSAPI transfers and could potentially result in unauthorized access to sensitive information. The safest option is to not reuse connections if the CURLOPT_GSSAPI_DELEGATION option has been changed."}, {"lang": "es", "value": "Existe una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n en libcurl anterior a 8.0.0 en la caracter\u00edstica de reutilizaci\u00f3n de conexiones que puede reutilizar conexiones previamente establecidas con permisos de usuario incorrectos debido a un fallo al verificar cambios en la opci\u00f3n CURLOPT_GSSAPI_DELEGATION. Esta vulnerabilidad afecta a las transferencias krb5/kerberos/negotiate/GSSAPI y podr\u00eda potencialmente resultar en acceso no autorizado a informaci\u00f3n sensible. La opci\u00f3n m\u00e1s segura es no reutilizar conexiones si la opci\u00f3n CURLOPT_GSSAPI_DELEGATION ha sido cambiada."}], "id": "CVE-2023-27536", "lastModified": "2026-10-23T23:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-27536", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-02-14T15:39:19.648695Z", "version": "2.0.3"}}]}, "published": "2023-03-30T20:15:07.547", "references": [{"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/1895135"}, {"source": "support@hackerone.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00025.html"}, {"source": "support@hackerone.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW/"}, {"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202310-12"}, {"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20230420-0010/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/1895135"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00025.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202310-12"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20230420-0010/"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-806742.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-943925.html"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-305"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}
CVE record
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Debian DLA
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