{ "id": "CVE-2019-9495", "sourceIdentifier": "cret@cert.org", "published": "2019-04-17T14:29:03.887", "lastModified": "2021-11-03T19:53:18.563", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The implementations of EAP-PWD in hostapd and wpa_supplicant are vulnerable to side-channel attacks as a result of cache access patterns. All versions of hostapd and wpa_supplicant with EAP-PWD support are vulnerable. The ability to install and execute applications is necessary for a successful attack. Memory access patterns are visible in a shared cache. Weak passwords may be cracked. Versions of hostapd/wpa_supplicant 2.7 and newer, are not vulnerable to the timing attack described in CVE-2019-9494. Both hostapd with EAP-pwd support and wpa_supplicant with EAP-pwd support prior to and including version 2.7 are affected." }, { "lang": "es", "value": "Las implementaciones de EAP-PWD en hostapd y wpa_supplicant son vulnerables a los ataques de canal lateral (side-channel) como resultado de los patrones de acceso a la cach\u00e9. Todas las versiones de hostapd y wpa_supplicant con soporte de EAP-PWD son vulnerables. La capacidad de instalar y ejecutar aplicaciones es necesaria para un ataque con exito. Los patrones de acceso a memoria son visibles en cach\u00e9 compartido. Las contrase\u00f1as d\u00e9biles pueden ser crackeadas. Las versiones de hostapd/wpa_supplicant versi\u00f3n 2.7 y posteriores, no son vulnerables al ataque de tiempo descrito en CVE-2019-9494. Tanto hostapd con soporte EAP-pwd como wpa_supplicant con soporte EAP-pwd anterior y con la versi\u00f3n 2.7 est\u00e1n afectados." } ], "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:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW" }, "exploitabilityScore": 2.2, "impactScore": 1.4 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "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-203" } ] }, { "source": "cret@cert.org", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-524" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:w1.fi:hostapd:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.7", "matchCriteriaId": "5133129D-DA6B-485D-9FE7-33C994FBAF05" }, { "vulnerable": true, "criteria": "cpe:2.3:a:w1.fi:wpa_supplicant:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.7", "matchCriteriaId": "46294B0E-0043-487D-AD8F-931DC05F0E78" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": 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"https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html", "source": "cret@cert.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/", "source": "cret@cert.org", "tags": [ "Mailing List", "Release Notes", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/", "source": "cret@cert.org", "tags": [ "Mailing List", "Release Notes", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/", "source": "cret@cert.org", "tags": [ "Mailing List", "Release Notes", "Third Party Advisory" ] }, { "url": "https://seclists.org/bugtraq/2019/May/40", "source": "cret@cert.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc", "source": "cret@cert.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://w1.fi/security/2019-2/", "source": "cret@cert.org", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://www.synology.com/security/advisory/Synology_SA_19_16", "source": "cret@cert.org", "tags": [ "Third Party Advisory" ] } ] }