2 lines
4.2 KiB
JSON
2 lines
4.2 KiB
JSON
{"affected":[{"affectedData":[{"product":"Sealevel","vendor":"n/a","versions":[{"status":"affected","version":"Sealevel Systems, Inc. SeaConnect 370W v1.3.34"}]}],"source":"talos-cna@cisco.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:sealevel:seaconnect_370w_firmware:1.3.34:*:*:*:*:*:*:*","matchCriteriaId":"06014E46-DFB2-45C7-99FD-972EBCCC5FD3","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:h:sealevel:seaconnect_370w:-:*:*:*:*:*:*:*","matchCriteriaId":"D8CC996D-F36A-4B26-BD50-68F88D24D001","vulnerable":false}],"negate":false,"operator":"OR"}],"operator":"AND"}],"cveTags":[],"descriptions":[{"lang":"en","value":"An out-of-bounds write vulnerability exists in the HandleSeaCloudMessage functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. The HandleIncomingSeaCloudMessage function uses at [3] the json_object_get_string to populate the p_name global variable. The p_name is only 0x80 bytes long, and the total MQTT message could be up to 0x201 bytes. Because the function json_object_get_string will fill str based on the length of the json’s value and not the actual str size, this would result in a possible out-of-bounds write."},{"lang":"es","value":"Se presenta una vulnerabilidad de escritura fuera de límites en la funcionalidad HandleSeaCloudMessage de Sealevel Systems, Inc. SeaConnect 370W versión v1.3.34. La función HandleIncomingSeaCloudMessage utiliza en [3] el json_object_get_string para rellenar la variable global p_name. El p_name presenta sólo 0x80 bytes de longitud, y el mensaje MQTT total podría ser de hasta 0x201 bytes. Debido a que la función json_object_get_string rellenará str basándose en la longitud del valor de json y no en el tamaño real de str, esto resultaría en una posible escritura fuera de límites"}],"id":"CVE-2021-21970","lastModified":"2026-06-17T03:36:28.387","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":6.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":8.6,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.7,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.0"},"exploitabilityScore":2.2,"impactScore":1.4,"source":"talos-cna@cisco.com","type":"Secondary"}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.2,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2021-21970","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-04-15T18:19:20.983539Z","version":"2.0.3"}}]},"published":"2022-02-04T23:15:10.793","references":[{"source":"talos-cna@cisco.com","tags":["Exploit","Technical Description","Third Party Advisory"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1396"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Technical Description","Third Party Advisory"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1396"}],"sourceIdentifier":"talos-cna@cisco.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-120"}],"source":"talos-cna@cisco.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-787"}],"source":"nvd@nist.gov","type":"Primary"}]}
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