{"id":"CVE-2018-0102","state":"PUBLISHED","title":"A vulnerability in the Pong tool of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service","description":"A vulnerability in the Pong tool of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability exists because the affected software attempts to free the same area of memory twice. An attacker could exploit this vulnerability by sending a pong request to an affected device from a location on the network that causes the pong reply packet to egress both a FabricPath port and a non-FabricPath port. An exploit could allow the attacker to cause a dual or quad supervisor virtual port-channel (vPC) to reload. This vulnerability affects the following products when running Cisco NX-OS Software Release 7.2(1)D(1), 7.2(2)D1(1), or 7.2(2)D1(2) with both the Pong and FabricPath features enabled and the FabricPath port is actively monitored via a SPAN session: Cisco Nexus 7000 Series Switches and Cisco Nexus 7700 Series Switches. Cisco Bug IDs: CSCuv98660.","publishedAt":"2018-01-18T06:00:00.000Z","updatedAt":"2024-12-02T21:43:20.440Z","severity":null,"assigner":"cisco","products":["n/a Cisco NX-OS"],"affected":[{"vendor":"n/a","product":"Cisco NX-OS","versions":[{"version":"Cisco NX-OS","status":"affected"}]}],"references":["http://www.securitytracker.com/id/1040219","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180117-nx-os","http://www.securityfocus.com/bid/102728"],"weaknesses":["CWE-399"],"ingestedAt":"2026-10-29T19:44:03.729Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/0xxx/CVE-2018-0102.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-0102","state":"PUBLISHED","datePublished":"2018-01-18T06:00:00.000Z","dateUpdated":"2024-12-02T21:43:20.440Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2017-11-27T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability in the Pong tool of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. 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The vulnerability exists because the affected software attempts to free the same area of memory twice. An attacker could exploit this vulnerability by sending a pong request to an affected device from a location on the network that causes the pong reply packet to egress both a FabricPath port and a non-FabricPath port. An exploit could allow the attacker to cause a dual or quad supervisor virtual port-channel (vPC) to reload. This vulnerability affects the following products when running Cisco NX-OS Software Release 7.2(1)D(1), 7.2(2)D1(1), or 7.2(2)D1(2) with both the Pong and FabricPath features enabled and the FabricPath port is actively monitored via a SPAN session: Cisco Nexus 7000 Series Switches and Cisco Nexus 7700 Series Switches. 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