{ "id": "CVE-2021-29296", "sourceIdentifier": "cve@mitre.org", "published": "2021-08-10T20:15:08.530", "lastModified": "2024-11-21T06:00:56.300", "vulnStatus": "Modified", "cveTags": [ { "sourceIdentifier": "cve@mitre.org", "tags": [ "unsupported-when-assigned" ] } ], "descriptions": [ { "lang": "en", "value": "Null Pointer Dereference vulnerability in D-Link DIR-825 2.10b02, which could let a remote malicious user cause a denial of service. The vulnerability could be triggered by sending an HTTP request with URL /vct_wan; the sbin/httpd would invoke the strchr function and take NULL as a first argument, which finally leads to the segmentation fault. NOTE: The DIR-825 and all hardware revisions is considered End of Life and as such this issue will not be patched" }, { "lang": "es", "value": "** NO COMPATIBLE CUANDO SE ASIGN\u00d3 ** Vulnerabilidad de Desreferencia de Puntero Null en D-Link DIR-825 versi\u00f3n 2.10b02, que podr\u00eda permitir a un usuario malicioso remoto causar una denegaci\u00f3n de servicio. La vulnerabilidad podr\u00eda ser desencadenada mediante el env\u00edo de una petici\u00f3n HTTP con la URL /vct_wan; el sbin/httpd invocar\u00eda la funci\u00f3n strchr y tomar\u00eda NULL como primer argumento, lo que finalmente conlleva a el fallo de segmentaci\u00f3n. NOTA: El DIR-825 y todas las revisiones de hardware se consideran Fin de Vida y como tal este problema no ser\u00e1 parcheado" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "baseScore": 5.0, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "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-476" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:dlink:dir-825_firmware:2.10b02:*:*:*:*:*:*:*", "matchCriteriaId": "F98B6ECC-CF7A-40D0-A835-6770350857BD" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:dlink:dir-825:-:*:*:*:*:*:*:*", "matchCriteriaId": "7038F8A9-03F3-4442-B371-84801EF05447" } ] } ] } ], "references": [ { "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10212", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.dlink.com/en/security-bulletin/", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10212", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.dlink.com/en/security-bulletin/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] } ] }