CVE-2020-5523

{"id": "CVE-2020-5523", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.2}]}, "published": "2020-01-28T06:15:12.353", "references": [{"url": "http://jvn.jp/en/jp/JVN28845872/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "http://www.dokodemobank.ne.jp/info_20200128_bankingapp.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.77bank.co.jp/pdf/oshirase/20012801_appvulnerability.pdf", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.ashikagabank.co.jp/appbanking/pdf/oshirase.pdf", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.hokkaidobank.co.jp/common/dat/2020/0120/15795047141946146699.pdf", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.hokugin.co.jp/info/archives/personal/2020/1913.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.naganobank.co.jp/soshiki/2/app-ssl.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.shikokubank.co.jp/info/apps20200128.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.sihd-bk.jp/common_v2/pdf/20200127.pdf", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://www.tohoku-bank.co.jp/news/topics/200128_applissl.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "Android App 'MyPallete' and some of the Android banking applications based on 'MyPallete' do not verify X.509 certificates from servers, and also do not properly validate certificates with host-mismatch, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate."}, {"lang": "es", "value": "La aplicaci\u00f3n de Android \"MyPallete\" y algunas de las aplicaciones bancarias de Android basadas en \"MyPallete\" no verifican los certificados X.509 de los servidores, y tampoco comprueban apropiadamente los certificados con incompatibilidad de host, lo que permite a atacantes de tipo man-in-the-middle falsificar servidores y obtener informaci\u00f3n confidencial por medio de un certificado dise\u00f1ado."}], "lastModified": "2020-01-31T20:24:03.033", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:77bank:77_bank:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "7F484419-4038-47D4-85CF-1756BFB67E2A", "versionEndIncluding": "2.0.1"}, {"criteria": "cpe:2.3:a:ashikagabank:ashigin:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "04BF27EE-2955-4517-8A7B-D8F39631B7B6", "versionEndIncluding": "1.0.4"}, {"criteria": "cpe:2.3:a:hokkaidobank:dogin:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "488D7CBE-9389-4DA7-99AE-3AF33FCE5FA8", "versionEndIncluding": "3.0.1"}, {"criteria": "cpe:2.3:a:hokugin:hokuriku_bank_portal:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "8CD46460-45D4-46FC-84F9-7D22EB5B2D27", "versionEndIncluding": "2.0.1"}, {"criteria": "cpe:2.3:a:naganobank:nagagin:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "5B219F59-31DC-48E1-8590-79868C05BB98", "versionEndIncluding": "1.0.1"}, {"criteria": "cpe:2.3:a:nttdata:mypallete:-:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "145255E1-B0C0-4B0B-8C5D-63A21982042C"}, {"criteria": "cpe:2.3:a:shikokubank:shikoku_bank:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "F02DADD1-75A5-4155-A88C-D3383C6BB3CE", "versionEndIncluding": "2.0.1"}, {"criteria": "cpe:2.3:a:sihd-bk:ikeda_senshu_bank:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "396C963D-0260-4BCD-AA7C-0FB6055A298F", "versionEndIncluding": "3.0.4"}, {"criteria": "cpe:2.3:a:tohoku-bank:tougin:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "9FA99794-E4DA-410D-B278-8D5955E2C6BF", "versionEndIncluding": "1.0.1"}], "operator": "OR"}]}], "sourceIdentifier": "vultures@jpcert.or.jp"}