CVE-2017-15908

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remoto puede responder con un registro de recurso DNS NSEC manipulado de forma personalizada para desencadenar un bucle infinito en la funci\u00f3n dns_packet_read_type_window() del servicio \"systemd-resolved\" y provocar una denegaci\u00f3n de servicio en el servicio afectado."}], "id": "CVE-2017-15908", "lastModified": "2026-06-17T01:08:27.737", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": 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"vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "systemd: Infinite loop in the dns_packet_read_type_window() function", "id": "1507515", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1507515"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-835", "details": ["In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS NSEC resource record to trigger an infinite loop in the dns_packet_read_type_window() function of the 'systemd-resolved' service and cause a DoS of the affected service."], "name": "CVE-2017-15908", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "systemd", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2017-10-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-15908\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-15908"], "statement": "This issue did not affect the versions of systemd as shipped with Red Hat Enterprise Linux 7 as they did not include the vulnerable code.", "threat_severity": "Moderate"}

{}