{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-40719", "assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "state": "PUBLISHED", "assignerShortName": "twcert", "dateReserved": "2024-07-09T03:30:54.516Z", "datePublished": "2024-08-02T10:05:24.168Z", "dateUpdated": "2024-08-02T15:30:54.622Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "TCBServiSign Windows Version", "vendor": "CHANGING Information Technology", "versions": [{"lessThan": "1.0.24.0318", "status": "affected", "version": "0", "versionType": "custom"}]}], "datePublic": "2024-08-02T10:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The encryption strength of the authorization keys in CHANGING Information Technology TCBServiSign Windows Version is insufficient. When a remote attacker tricks a victim into visiting a malicious website, TCBServiSign will treat that website as a legitimate server and interact with it."}], "value": "The encryption strength of the authorization keys in CHANGING Information Technology TCBServiSign Windows Version is insufficient. When a remote attacker tricks a victim into visiting a malicious website, TCBServiSign will treat that website as a legitimate server and interact with it."}], "impacts": [{"capecId": "CAPEC-20", "descriptions": [{"lang": "en", "value": "CAPEC-20 Encryption Brute Forcing"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-326", "description": "CWE-326 Inadequate Encryption Strength", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "shortName": "twcert", "dateUpdated": "2024-08-02T10:05:24.168Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-7964-5b266-1.html"}, {"tags": ["third-party-advisory"], "url": "https://www.twcert.org.tw/en/cp-139-7970-e8ac5-2.html"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update to version 1.0.24.0318 or later."}], "value": "Update to version 1.0.24.0318 or later."}], "source": {"advisory": "TVN-202407014", "discovery": "EXTERNAL"}, "title": "CHANGING Information Technology TCBServiSign Windows Version - Inadequate Encryption Strength", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-08-02T15:30:42.906694Z", "id": "CVE-2024-40719", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-02T15:30:54.622Z"}}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:changingtec:tcb_servisign:*:*:*:*:*:windows:*:*", "matchCriteriaId": "4F2A798C-915D-4A62-A562-5B1AFE7899A9", "versionEndExcluding": "1.0.24.0318", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The encryption strength of the authorization keys in CHANGING Information Technology TCBServiSign Windows Version is insufficient. When a remote attacker tricks a victim into visiting a malicious website, TCBServiSign will treat that website as a legitimate server and interact with it."}, {"lang": "es", "value": "La seguridad de cifrado de las claves de autorizaci\u00f3n en CHANGING Information Technology TCBServiSign Windows Version es insuficiente. Cuando un atacante remoto enga\u00f1a a una v\u00edctima para que visite un sitio web malicioso, TCBServiSign tratar\u00e1 ese sitio web como un servidor leg\u00edtimo e interactuar\u00e1 con \u00e9l."}], "id": "CVE-2024-40719", "lastModified": "2024-08-09T14:36:32.300", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "twcert@cert.org.tw", "type": "Primary"}]}, "published": "2024-08-02T10:16:00.470", "references": [{"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/en/cp-139-7970-e8ac5-2.html"}, {"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-7964-5b266-1.html"}], "sourceIdentifier": "twcert@cert.org.tw", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-326"}], "source": "twcert@cert.org.tw", "type": "Primary"}]}

{}