{ "id": "CVE-2017-11103", "sourceIdentifier": "cve@mitre.org", "published": "2017-07-13T13:29:00.173", "lastModified": "2020-08-18T15:05:49.313", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Heimdal before 7.4 allows remote attackers to impersonate services with Orpheus' Lyre attacks because it obtains service-principal names in a way that violates the Kerberos 5 protocol specification. In _krb5_extract_ticket() the KDC-REP service name must be obtained from the encrypted version stored in 'enc_part' instead of the unencrypted version stored in 'ticket'. Use of the unencrypted version provides an opportunity for successful server impersonation and other attacks. NOTE: this CVE is only for Heimdal and other products that embed Heimdal code; it does not apply to other instances in which this part of the Kerberos 5 protocol specification is violated." }, { "lang": "es", "value": "Heimdal en versiones anteriores a la 7.4 permite que atacantes remotos suplanten servicios con ataques Orpheus' Lyre ya que obtiene nombres de servicios principales, de manera que viola la especificaci\u00f3n del protocolo Kerberos 5. En _krb5_extract_ticket() el nombre del servicio KDC-REP se debe obtener de la versi\u00f3n cifrada almacenada en 'enc_part' en lugar de la versi\u00f3n sin cifrar almacenada en 'ticket'. El uso de versiones sin cifrar supone una oportunidad para que se lleve a cabo una suplantaci\u00f3n del servidor exitosa adem\u00e1s de otros ataques. NOTA: este CVE solo es aplicable a Heimdal y otros productos que embeben c\u00f3digo Heimdal." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH" }, "exploitabilityScore": 2.2, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 6.8 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-345" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.4.0", "matchCriteriaId": "BBB557FB-2D64-4B67-ABB4-232B8532E9F7" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:freebsd:freebsd:-:*:*:*:*:*:*:*", "matchCriteriaId": "3B2AEFCC-A2F6-45A6-A2EF-24F7906E44E2" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0.0", "versionEndExcluding": "4.4.15", "matchCriteriaId": "F4D6C6EB-04EC-4514-947F-37DA23C07BD1" }, { "vulnerable": true, "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5.0", "versionEndExcluding": "4.5.12", "matchCriteriaId": "C93F9D32-8BFD-484B-8D16-6A440132A4E3" }, { "vulnerable": true, "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.6.0", "versionEndExcluding": "4.6.6", "matchCriteriaId": "92EBC874-FF91-47E4-B57D-A54DF0859239" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "versionEndExcluding": "11.0", "matchCriteriaId": "17CE3EBB-FF76-4158-81FE-63AECECA988E" }, { "vulnerable": true, "criteria": "cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.13.1", "matchCriteriaId": "C43CA59D-847F-4225-A7A6-02DEB1BB4F64" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43" }, { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252" }, { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73" } ] } ] } ], "references": [ { "url": "http://www.debian.org/security/2017/dsa-3912", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "http://www.h5l.org/advisories.html?show=2017-07-11", "source": "cve@mitre.org", "tags": [ "Broken Link" ] }, { "url": "http://www.securityfocus.com/bid/99551", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1038876", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://www.securitytracker.com/id/1039427", "source": "cve@mitre.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "https://github.com/heimdal/heimdal/releases/tag/heimdal-7.4.0", "source": "cve@mitre.org", "tags": [ "Release Notes" ] }, { "url": "https://support.apple.com/HT208112", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://support.apple.com/HT208144", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://support.apple.com/HT208221", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.freebsd.org/security/advisories/FreeBSD-SA-17:05.heimdal.asc", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.orpheus-lyre.info/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.samba.org/samba/security/CVE-2017-11103.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }