{ "CVE_data_meta" : { "ASSIGNER" : "psirt@cisco.com", "DATE_PUBLIC" : "2018-10-17T16:00:00-0500", "ID" : "CVE-2018-0378", "STATE" : "PUBLIC", "TITLE" : "Cisco NX-OS Software for Nexus 5500, 5600, and 6000 Series Switches Precision Time Protocol Denial of Service Vulnerability" }, "affects" : { "vendor" : { "vendor_data" : [ { "product" : { "product_data" : [ { "product_name" : "Cisco NX-OS Software for Nexus 6000 Series ", "version" : { "version_data" : [ { "version_value" : "6.0(2)N1(2)" } ] } } ] }, "vendor_name" : "Cisco" } ] } }, "data_format" : "MITRE", "data_type" : "CVE", "data_version" : "4.0", "description" : { "description_data" : [ { "lang" : "eng", "value" : "A vulnerability in the Precision Time Protocol (PTP) feature of Cisco Nexus 5500, 5600, and 6000 Series Switches running Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a lack of protection against PTP frame flood attacks. An attacker could exploit this vulnerability by sending large streams of malicious IPv4 or IPv6 PTP traffic to the affected device. A successful exploit could allow the attacker to cause a DoS condition, impacting the traffic passing through the device." } ] }, "exploit" : [ { "lang" : "eng", "value" : "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. " } ], "impact" : { "cvss" : { "baseScore" : "8.6", "vectorString" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H ", "version" : "3.0" } }, "problemtype" : { "problemtype_data" : [ { "description" : [ { "lang" : "eng", "value" : "CWE-20" } ] } ] }, "references" : { "reference_data" : [ { "name" : "20181017 Cisco NX-OS Software for Nexus 5500, 5600, and 6000 Series Switches Precision Time Protocol Denial of Service Vulnerability", "refsource" : "CISCO", "url" : "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-nexus-ptp-dos" }, { "name" : "105669", "refsource" : "BID", "url" : "http://www.securityfocus.com/bid/105669" }, { "name" : "1041920", "refsource" : "SECTRACK", "url" : "http://www.securitytracker.com/id/1041920" } ] }, "source" : { "advisory" : "cisco-sa-20181017-nexus-ptp-dos", "defect" : [ [ "CSCvg21830" ] ], "discovery" : "INTERNAL" } }