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{"cisaActionDue": "2022-03-17", "cisaExploitAdd": "2022-03-03", "cisaRequiredAction": "Apply updates per vendor instructions.", "cisaVulnerabilityName": "Cisco IOS and IOS XE Software Improper Input Validation Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios:-:*:*:*:*:*:*:*", "matchCriteriaId": "B6230A85-30D2-4934-A8A0-11499B7B09F8", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*", "matchCriteriaId": "B7D95E8A-8F0B-44E5-B266-09E10BAAEC55", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios:-:*:*:*:*:*:*:*", "matchCriteriaId": "B6230A85-30D2-4934-A8A0-11499B7B09F8", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*", "matchCriteriaId": "B7D95E8A-8F0B-44E5-B266-09E10BAAEC55", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:rockwellautomation:allen-bradley_armorstratix_5700:-:*:*:*:*:*:*:*", "matchCriteriaId": "D8849345-E011-4160-A91C-DB760497AF9A", "vulnerable": false}, {"criteria": "cpe:2.3:h:rockwellautomation:allen-bradley_stratix_5400:-:*:*:*:*:*:*:*", "matchCriteriaId": "DE92939D-3D1E-445C-8888-F3EB4E35A034", "vulnerable": false}, {"criteria": "cpe:2.3:h:rockwellautomation:allen-bradley_stratix_5410:-:*:*:*:*:*:*:*", "matchCriteriaId": "0B148D62-D1B2-4E40-9DDD-A8702DFAD2E4", "vulnerable": false}, {"criteria": "cpe:2.3:h:rockwellautomation:allen-bradley_stratix_5700:-:*:*:*:*:*:*:*", "matchCriteriaId": "8994DEA7-C4EC-47B9-8AEA-832AF9D1F8E4", "vulnerable": false}, {"criteria": "cpe:2.3:h:rockwellautomation:allen-bradley_stratix_8000:-:*:*:*:*:*:*:*", "matchCriteriaId": "F9A02987-E6F4-41D2-92C5-016A22AC7D0A", "vulnerable": false}, {"criteria": "cpe:2.3:h:rockwellautomation:allen-bradley_stratix_8300:-:*:*:*:*:*:*:*", "matchCriteriaId": "3A97B3B5-6606-46F5-BCD8-141FDD6F6729", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because the affected software performs incomplete input validation of option 82 information that it receives in DHCP Version 4 (DHCPv4) packets from DHCP relay agents. An attacker could exploit this vulnerability by sending a crafted DHCPv4 packet to an affected device. A successful exploit could allow the attacker to cause a heap overflow condition on the affected device, which will cause the device to reload and result in a DoS condition. Cisco Bug IDs: CSCvg62730."}, {"lang": "es", "value": "Una vulnerabilidad en la funcionalidad de encapsulamiento de la opci\u00f3n 82 de DHCP en Cisco IOS Software y Cisco IOS XE Software podr\u00eda permitir que un atacante remoto sin autenticar haga que el dispositivo afectado se reinicie, provocando una denegaci\u00f3n de servicio (DoS) en consecuencia. La vulnerabilidad existe debido a que el software afectado realiza validaci\u00f3n incompleta de entradas de la informaci\u00f3n de la opci\u00f3n 82 que recibe en los paquetes DHCPv4 (DHCP Version 4) de los agentes de reproducci\u00f3n DHCP. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un paquete DHCPv4 manipulado a un dispositivo afectado. Si se explota con \u00e9xito, esta vulnerabilidad podr\u00eda permitir que el atacante provoque una condici\u00f3n de desbordamiento de memoria din\u00e1mica (heap) en el dispositivo afectado, lo que provocar\u00e1 que el dispositivo se recargue y desemboque en una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Cisco Bug IDs: CSCvg62730."}], "id": "CVE-2018-0172", "lastModified": "2020-09-04T18:25:52.107", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-03-28T22:29:01.110", "references": [{"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/103552"}, {"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1040591"}, {"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04"}, {"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05"}, {"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-dhcpr1"}, {"source": "ykramarz@cisco.com", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2018-06"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

{}