{ "id": "CVE-2015-5314", "sourceIdentifier": "secalert@redhat.com", "published": "2018-02-21T16:29:00.287", "lastModified": "2018-03-21T13:07:25.667", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The eap_pwd_process function in eap_server/eap_server_pwd.c in hostapd 2.x before 2.6 does not validate that the reassembly buffer is large enough for the final fragment when used with (1) an internal EAP server or (2) a RADIUS server and EAP-pwd is enabled in a runtime configuration, which allows remote attackers to cause a denial of service (process termination) via a large final fragment in an EAP-pwd message." }, { "lang": "es", "value": "La funci\u00f3n eap_pwd_process en eap_server/eap_server_pwd.c en hostapd, en versiones 2.x anteriores a la 2.6 no valida que el b\u00fafer de reensamblaje sea lo bastante grande para el fragmento final al emplearse con (1) un servidor EAP interno o (2) un servidor RADIUS y EAP-pwd habilitado en una configuraci\u00f3n runtime. Esto permite que atacantes remotos provoquen una denegaci\u00f3n de servicio (finalizaci\u00f3n del proceso) mediante un fragmento final grande en un mensaje EAP-pwd." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.2, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-119" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.0", "versionEndExcluding": "2.6", "matchCriteriaId": "C0920644-8B05-465C-A1BE-BAC6344D990E" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43" } ] } ] } ], "references": [ { "url": "http://w1.fi/security/2015-7/eap-pwd-missing-last-fragment-length-validation.txt", "source": "secalert@redhat.com", "tags": [ "Mitigation", "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2015/11/10/10", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Mitigation", "Patch", "Third Party Advisory" ] }, { "url": "http://www.ubuntu.com/usn/USN-2808-1", "source": "secalert@redhat.com", "tags": [ "Broken Link" ] }, { "url": "https://www.debian.org/security/2015/dsa-3397", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] } ] }