CVE-2020-7881

{"containers": {"cna": {"affected": [{"platforms": ["Windows"], "product": "afreecatvstreamer.exe", "vendor": "AfreecaTV", "versions": [{"lessThanOrEqual": "2020.06.15", "status": "affected", "version": "1.0.0.1", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "The vulnerability function is enabled when the streamer service related to the AfreecaTV communicated through web socket using 21201 port. A stack-based buffer overflow leading to remote code execution was discovered in strcpy() operate by \"FanTicket\" field. It is because of stored data without validation of length."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-11-26T16:29:17.000Z", "orgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "shortName": "krcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36357"}], "source": {"discovery": "UNKNOWN"}, "title": "AfreecaTV streamer service stack-based buffer overflow", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vuln@krcert.or.kr", "ID": "CVE-2020-7881", "STATE": "PUBLIC", "TITLE": "AfreecaTV streamer service stack-based buffer overflow"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "afreecatvstreamer.exe", "version": {"version_data": [{"platform": "Windows", "version_affected": "<=", "version_name": "1.0.0.1", "version_value": "2020.06.15"}]}}]}, "vendor_name": "AfreecaTV"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The vulnerability function is enabled when the streamer service related to the AfreecaTV communicated through web socket using 21201 port. A stack-based buffer overflow leading to remote code execution was discovered in strcpy() operate by \"FanTicket\" field. It is because of stored data without validation of length."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-190 Integer Overflow or Wraparound"}]}]}, "references": {"reference_data": [{"name": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36357", "refsource": "MISC", "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36357"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T09:41:01.981Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36357"}]}]}, "cveMetadata": {"assignerOrgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "assignerShortName": "krcert", "cveId": "CVE-2020-7881", "datePublished": "2021-11-26T16:29:17.000Z", "dateReserved": "2020-01-22T00:00:00.000Z", "dateUpdated": "2024-08-04T09:41:01.981Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"platforms": ["Windows"], "product": "afreecatvstreamer.exe", "vendor": "AfreecaTV", "versions": [{"lessThanOrEqual": "2020.06.15", "status": "affected", "version": "1.0.0.1", "versionType": "custom"}]}], "source": "vuln@krcert.or.kr"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:afreecatv:afreecatv:1.0.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "CB62437F-0B23-4C73-AF11-E3A76DE6F570", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The vulnerability function is enabled when the streamer service related to the AfreecaTV communicated through web socket using 21201 port. A stack-based buffer overflow leading to remote code execution was discovered in strcpy() operate by \"FanTicket\" field. It is because of stored data without validation of length."}, {"lang": "es", "value": "La funci\u00f3n de la vulnerabilidad es habilitada cuando el servicio de streaming relacionado con AfreecaTV se comunica mediante el socket web usando el puerto 21201. Se ha detectado un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria, conllevando a una ejecuci\u00f3n de c\u00f3digo remota en la funci\u00f3n strcpy() operada por el campo \"FanTicket\". Es debido a que los datos almacenados no comprueban su longitud"}], "id": "CVE-2020-7881", "lastModified": "2026-06-17T03:25:35.943", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "vuln@krcert.or.kr", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-26T17:15:07.560", "references": [{"source": "vuln@krcert.or.kr", "tags": ["Third Party Advisory"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36357"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36357"}], "sourceIdentifier": "vuln@krcert.or.kr", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "vuln@krcert.or.kr", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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