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cve-2019-1595
Vulnerability from cvelistv5
Source | URL | Tags |
---|---|---|
ykramarz@cisco.com | http://www.securityfocus.com/bid/107320 | VDB Entry, Third Party Advisory |
ykramarz@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dos | Patch, Vendor Advisory |
Vendor | Product |
---|---|
Cisco | Cisco NX-OS Software |
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The vulnerability is due to an incorrect allocation of an internal interface index. An adjacent attacker with the ability to submit a crafted FCoE packet that crosses affected interfaces could trigger this vulnerability. A successful exploit could allow the attacker to cause a packet loop and high throughput on the affected interfaces, resulting in a DoS condition. This vulnerability has been fixed in version 7.3(5)N1(1)." } ], "exploits": [ { "lang": "en", "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." } ], "metrics": [ { "cvssV3_0": { "attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-913", "description": "CWE-913", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2019-03-08T10:57:01", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "107320", "tags": [ "vdb-entry", "x_refsource_BID" ], "url": "http://www.securityfocus.com/bid/107320" }, { "name": "20190306 Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability", "tags": [ "vendor-advisory", "x_refsource_CISCO" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dos" } ], "source": { "advisory": "cisco-sa-20190306-nexus-fbr-dos", "defect": [ [ "CSCvn24414" ] ], "discovery": "INTERNAL" }, "title": "Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-03-06T16:00:00-0800", "ID": "CVE-2019-1595", "STATE": "PUBLIC", "TITLE": "Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco NX-OS Software", "version": { "version_data": [ { "version_value": "7.3(5)N1(1)" } ] } } ] }, "vendor_name": "Cisco" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. 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Si se explota esta vulnerabilidad con \u00e9xito, un atacante podr\u00eda provocar un bucle de paquete y un throughput alto en los dispositivos afectados, conduciendo a una condici\u00f3n DoS. 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gsd-2019-1595
Vulnerability from gsd
{ "GSD": { "alias": "CVE-2019-1595", "description": "A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an incorrect allocation of an internal interface index. An adjacent attacker with the ability to submit a crafted FCoE packet that crosses affected interfaces could trigger this vulnerability. A successful exploit could allow the attacker to cause a packet loop and high throughput on the affected interfaces, resulting in a DoS condition. This vulnerability has been fixed in version 7.3(5)N1(1).", "id": "GSD-2019-1595" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2019-1595" ], "details": "A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an incorrect allocation of an internal interface index. An adjacent attacker with the ability to submit a crafted FCoE packet that crosses affected interfaces could trigger this vulnerability. A successful exploit could allow the attacker to cause a packet loop and high throughput on the affected interfaces, resulting in a DoS condition. This vulnerability has been fixed in version 7.3(5)N1(1).", "id": "GSD-2019-1595", "modified": "2023-12-13T01:23:51.832424Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2019-03-06T16:00:00-0800", "ID": "CVE-2019-1595", "STATE": "PUBLIC", "TITLE": "Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco NX-OS Software", "version": { "version_data": [ { "version_value": "7.3(5)N1(1)" } ] } } ] }, "vendor_name": "Cisco" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an incorrect allocation of an internal interface index. An adjacent attacker with the ability to submit a crafted FCoE packet that crosses affected interfaces could trigger this vulnerability. A successful exploit could allow the attacker to cause a packet loop and high throughput on the affected interfaces, resulting in a DoS condition. This vulnerability has been fixed in version 7.3(5)N1(1)." } ] }, "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": "7.4", "vectorString": "CVSS:3.0/AV:A/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-913" } ] } ] }, "references": { "reference_data": [ { "name": "107320", "refsource": "BID", "url": "http://www.securityfocus.com/bid/107320" }, { "name": "20190306 Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dos" } ] }, "source": { "advisory": "cisco-sa-20190306-nexus-fbr-dos", "defect": [ [ "CSCvn24414" ] ], "discovery": "INTERNAL" } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "7.3\\(5\\)n1\\(1\\)", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:cisco:nexus_5600:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false }, { "cpe23Uri": "cpe:2.3:h:cisco:nexus_6000:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "ID": "CVE-2019-1595" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an incorrect allocation of an internal interface index. An adjacent attacker with the ability to submit a crafted FCoE packet that crosses affected interfaces could trigger this vulnerability. A successful exploit could allow the attacker to cause a packet loop and high throughput on the affected interfaces, resulting in a DoS condition. This vulnerability has been fixed in version 7.3(5)N1(1)." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-913" } ] } ] }, "references": { "reference_data": [ { "name": "20190306 Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability", "refsource": "CISCO", "tags": [ "Patch", "Vendor Advisory" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dos" }, { "name": "107320", "refsource": "BID", "tags": [ "VDB Entry", "Third Party Advisory" ], "url": "http://www.securityfocus.com/bid/107320" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0" }, "exploitabilityScore": 6.5, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } }, "lastModifiedDate": "2019-10-09T23:47Z", "publishedDate": "2019-03-06T22:29Z" } } }
cisco-sa-20190306-nexus-fbr-dos
Vulnerability from csaf_cisco
Notes
{ "document": { "acknowledgments": [ { "summary": "This vulnerability was found during the resolution of a Cisco TAC support case." } ], "category": "csaf_security_advisory", "csaf_version": "2.0", "notes": [ { "category": "summary", "text": "A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.\r\n\r\nThe vulnerability is due to an incorrect allocation of an internal interface index. An adjacent attacker with the ability to submit a crafted FCoE packet that crosses affected interfaces could trigger this vulnerability. A successful exploit could allow the attacker to cause a packet loop and high throughput on the affected interfaces, resulting in a DoS condition.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\nThis advisory is available at the following link:\r\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dos [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dos\"]", "title": "Summary" }, { "category": "general", "text": "This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco NX-OS Software:\r\n\r\nNexus 5600 Platform Switches\r\nNexus 6000 Series Switches\r\n\r\nNote: For this vulnerability to occur, all of the following conditions must be met:\r\n\r\nTwo vulnerable products need to be connected to each other via Ethernet ports with an incorrect internal mapping.\r\nThe fcoe OR fcoe-npv feature must enabled.\r\nThe vulnerable ports must not be configured for FCoE.\r\n\r\nSee the Details [\"#details\"] section for more information.\r\n\r\nFor information about which Cisco NX-OS Software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n Determining the Cisco NX-OS Software Release\r\nAdministrators can check the release of Cisco NX-OS Software that is running on a device by using the show version command in the device CLI. The following example shows the output of the command for a device that is running Cisco NX-OS Software Release 7.3(4)N1(1):\r\n\r\n\r\nnxos-switch#show version\r\nCisco Nexus Operating System (NX-OS) Software TAC support: http://www.cisco.com/tac Documents: http://www.cisco.com/en/US/products/ps9372/tsd_products_support_series_home.html Copyright (c) 2002-2018, Cisco Systems, Inc. All rights reserved. The copyrights to certain works contained herein are owned by other third parties and are used and distributed under license. Some parts of this software are covered under the GNU Public License. A copy of the license is available at http://www.gnu.org/licenses/gpl.html. Software BIOS: version 3.6.0 Power Sequencer Firmware: Module 1: v3.0 Module 2: v5.0 Microcontroller Firmware: version v1.2.0.1 QSFP Microcontroller Firmware: Module not detected CXP Microcontroller Firmware: Module not detected kickstart: version 7.3(4)N1(1) system: version 7.3(4)N1(1) BIOS compile time: 05/09/2012 kickstart image file is: bootflash:///n5000-uk9-kickstart.7.3.4.N1.1.bin kickstart compile time: 9/10/2018 0:00:00 [09/10/2018 08:29:28] system image file is: bootflash:///n5000-uk9.7.3.4.N1.1.bin system compile time: 9/10/2018 0:00:00 [09/10/2018 12:41:33] .\r\n.\r\n.", "title": "Vulnerable Products" }, { "category": "general", "text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by this vulnerability.\r\n\r\nCisco has confirmed that this vulnerability does not affect the following Cisco products:\r\n\r\nFirepower 2100 Series Firewalls\r\nFirepower 4100 Series Next-Generation Firewalls\r\nFirepower 9300 Security Appliance\r\nMDS 9000 Series Multilayer Switches\r\nNexus 1000V Switch for Microsoft Hyper-V\r\nNexus 1000V Switch for VMware vSphere\r\nNexus 2000 Series Fabric Extenders\r\nNexus 3000 Series Switches\r\nNexus 3500 Platform Switches\r\nNexus 3600 Platform Switches\r\nNexus 5500 Platform Switches\r\nNexus 7000 Series Switches\r\nNexus 7700 Series Switches\r\nNexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode\r\nNexus 9000 Series Switches in standalone NX-OS mode\r\nUCS 6200 Series Fabric Interconnects\r\nUCS 6300 Series Fabric Interconnects\r\nUCS 6400 Series Fabric Interconnects", "title": "Products Confirmed Not Vulnerable" }, { "category": "general", "text": "This vulnerability requires fcoe to be enabled. To see if the fcoe or fcoe-npv feature is configured, use the show feature | include fcoe CLI command:\r\n\r\n\r\nN5K-A# show feature | include fcoe\r\nfcoe 1 enabled\r\nfcoe-npv 1 disabled\r\nThis vulnerability also requires that an Ethernet interface not be bound to an FCoE virtual Fibre Channel (vFC) interface. To see if an Ethernet interface is bound to a vFC interface, use the show interface brief CLI command:\r\nN5K-A# show interface brief\r\n\r\n-------------------------------------------------------------------------------\r\nInterface Vsan Admin Admin Status SFP Oper Oper Port\r\nMode Trunk Mode Speed Channel\r\nMode (Gbps)\r\n-------------------------------------------------------------------------------\r\nfc1/29 200 F off notConnected swl -- 200\r\nfc1/30 200 F off notConnected swl -- 200\r\nfc1/31 100 F off notConnected swl -- 100\r\nfc1/32 100 F off notConnected swl -- 100\r\n\r\n--------------------------------------------------------------------------------\r\nEthernet VLAN Type Mode Status Reason Speed Port\r\nInterface Ch #\r\n--------------------------------------------------------------------------------\r\nEth1/1 1 eth trunk down SFP not inserted 10G(D) --\r\nEth1/2 1 eth access down SFP not inserted 10G(D) --\r\n\r\n\u003csnip\u003e\r\n\r\n--------------------------------------------------------------------------------\r\nPort VRF Status IP Address Speed MTU\r\n--------------------------------------------------------------------------------\r\nmgmt0 -- up 192.168.1.2 100 1500\r\n\r\n-------------------------------------------------------------------------------\r\nInterface Vsan Admin Admin Status Bind Oper Oper\r\nMode Trunk Info Mode Speed\r\nMode (Gbps)\r\n-------------------------------------------------------------------------------\r\nvfc100 100 F on trunking 00:10:94:00:00:02 TF auto\r\nvfc111 100 F on trunking Eth1/1 TF auto\r\nvfc200 200 F on trunking 00:20:94:00:00:02 TF auto\r\nIn this example, Eth1/1 would not be vulnerable because it is bound to a vFC.", "title": "Details" }, { "category": "general", "text": "If the devices are configured as outlined in the Vulnerable Products [\"#vp\"] section, a possible indicator of compromise would be a high Rx input rate on a vulnerable interface coupled with a high Tx rate for all enabled interfaces configured for the same VLAN as shown in the following example:\r\n\r\n\r\nN6K-A# show interface eth1/2 counters brief\r\n\r\n-------------------------------------------------------------------------------\r\nInterface Input Rate (avg) Output Rate (avg)\r\n------------------ ------------------\r\nRate Total Rate Total Rate averaging\r\nMB/s Frames MB/s Frames interval (seconds)\r\n-------------------------------------------------------------------------------\r\nEth1/2 1140 5482344 1140 5482507 30\r\n1140 5482321 1140 5482488 300\r\n\r\nN6K-A# show interface Ethernet 1/11 counters brief\r\n\r\n-------------------------------------------------------------------------------\r\nInterface Input Rate (avg) Output Rate (avg)\r\n------------------ ------------------\r\nRate Total Rate Total Rate averaging\r\nMB/s Frames MB/s Frames interval (seconds)\r\n-------------------------------------------------------------------------------\r\nEth1/11 0 0 1140 5482508 30\r\n0 0 1140 5482496 300\r\n\r\nN6K-A# show interface Ethernet 1/16 counters brief\r\n\r\n-------------------------------------------------------------------------------\r\nInterface Input Rate (avg) Output Rate (avg)\r\n------------------ ------------------\r\nRate Total Rate Total Rate averaging\r\nMB/s Frames MB/s Frames interval (seconds)\r\n-------------------------------------------------------------------------------\r\nEth1/16 0 0 1140 5482504 30\r\n0 0 1140 5482565 300\r\n\r\nIf there are any questions regarding the output of your device or the information above, please contact Cisco TAC:\r\n https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]", "title": "Indicators of Compromise" }, { "category": "general", "text": "There are no workarounds that address this vulnerability.", "title": "Workarounds" }, { "category": "general", "text": "Cisco has released free software updates that address the vulnerability described in this advisory. Customers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:\r\nhttps://www.cisco.com/c/en/us/products/end-user-license-agreement.html [\"https://www.cisco.com/c/en/us/products/end-user-license-agreement.html\"]\r\n\r\nAdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.\r\n\r\nWhen considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page, to determine exposure and a complete upgrade solution.\r\n\r\nIn all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.\r\n Customers Without Service Contracts\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC: https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]\r\n\r\nCustomers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n Fixed Releases\r\nIn the following table, the left column lists releases of Cisco NX-OS Software. The right column indicates whether a release is affected by the vulnerability described in this advisory and the first release that includes the fix for this vulnerability. Customers are advised to upgrade to an appropriate fixed software release [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes \"] as indicated in this section.\r\n Nexus 5600 and 6000 Series Switches: CSCvn24414 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvn24414\"]\r\n Cisco NX-OS Software Release First Fixed Release for This Vulnerability Prior to 5.2 Not vulnerable 5.2 Not vulnerable 6.0 7.1(5)N1(1b) 7.0 7.1(5)N1(1b) 7.1 7.1(5)N1(1b) 7.2 7.3(5)N1(1) 7.3 7.3(5)N1(1) Additional Resources\r\nFor help determining the best Cisco NX-OS Software release for a Cisco Nexus Switch, administrators can refer to the following Recommended Releases documents. If a security advisory recommends a later release, Cisco recommends following the advisory guidance.\r\n\r\n\r\nCisco MDS Series Switches [\"https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/b_MDS_NX-OS_Recommended_Releases.html\"]\r\nCisco Nexus 1000V for VMware Switch [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus1000/sw/recommended_releases/b_Cisco_N1KV_VMware_MinRecommendedReleases.html\"]\r\nCisco Nexus 3000 Series and 3500 Series Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/recommended_release/b_Minimum_and_Recommended_Cisco_NX-OS_Releases_for_Cisco_Nexus_3000_Series_Switches.html\"]\r\nCisco Nexus 5000 Series Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/release/recommended_releases/recommended_nx-os_releases.html\"]\r\nCisco Nexus 5500 Platform Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/release/recommended_releases/n5500_recommended_nx-os_releases.html\"]\r\nCisco Nexus 6000 Series Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus6000/sw/release/recommended_releases/recommended_nx-os_releases.html\"]\r\nCisco Nexus 7000 Series Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/nx-os/recommended_releases/recommended_nx-os_releases.html\"]\r\nCisco Nexus 9000 Series Switches [\"http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/recommended_release/b_Minimum_and_Recommended_Cisco_NX-OS_Releases_for_Cisco_Nexus_9000_Series_Switches.html\"]\r\nCisco Nexus 9000 Series ACI-Mode Switches [\"https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/recommended-release/b_Recommended_Cisco_ACI_Releases.html\"]\r\n For help determining the best Cisco NX-OS Software release for Cisco UCS, refer to the Recommended Releases documents in the release notes for the device.", "title": "Fixed Software" }, { "category": "general", "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.", "title": "Vulnerability Policy" }, { "category": "general", "text": "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.", "title": "Exploitation and Public Announcements" }, { "category": "general", "text": "This vulnerability was found during the resolution of a Cisco TAC support case.", "title": "Source" }, { "category": "legal_disclaimer", "text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.", "title": "Legal Disclaimer" } ], "publisher": { "category": "vendor", "contact_details": "Emergency Support:\r\n+1 877 228 7302 (toll-free within North America)\r\n+1 408 525 6532 (International direct-dial)\r\nNon-emergency Support:\r\nEmail: psirt@cisco.com\r\nSupport requests that are received via e-mail are typically acknowledged within 48 hours.", "issuing_authority": "Cisco product security incident response is the responsibility of the Cisco Product Security Incident Response Team (PSIRT). The Cisco PSIRT is a dedicated, global team that manages the receipt, investigation, and public reporting of security vulnerability information that is related to Cisco products and networks. The on-call Cisco PSIRT works 24x7 with Cisco customers, independent security researchers, consultants, industry organizations, and other vendors to identify possible security issues with Cisco products and networks.\r\nMore information can be found in Cisco Security Vulnerability Policy available at https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html", "name": "Cisco", "namespace": "https://wwww.cisco.com" }, "references": [ { "category": "self", "summary": "Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dos" }, { "category": "external", "summary": "Cisco Security Vulnerability Policy", "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html" }, { "category": "external", "summary": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dos", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dos" }, { "category": "external", "summary": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html", "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html" }, { "category": "external", "summary": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html", "url": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html" }, { "category": "external", "summary": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html", "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html" }, { "category": "external", "summary": "fixed software release", "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes" }, { "category": "external", "summary": "CSCvn24414", "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvn24414" }, { "category": "external", "summary": "Cisco MDS Series Switches", "url": "https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/b_MDS_NX-OS_Recommended_Releases.html" }, { "category": "external", "summary": "Cisco Nexus 1000V for VMware Switch", "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus1000/sw/recommended_releases/b_Cisco_N1KV_VMware_MinRecommendedReleases.html" }, { "category": "external", "summary": "Cisco Nexus 3000 Series and 3500 Series Switches", "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/recommended_release/b_Minimum_and_Recommended_Cisco_NX-OS_Releases_for_Cisco_Nexus_3000_Series_Switches.html" }, { "category": "external", "summary": "Cisco Nexus 5000 Series Switches", "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/release/recommended_releases/recommended_nx-os_releases.html" }, { "category": "external", "summary": "Cisco Nexus 5500 Platform Switches", "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/release/recommended_releases/n5500_recommended_nx-os_releases.html" }, { "category": "external", "summary": "Cisco Nexus 6000 Series Switches", "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus6000/sw/release/recommended_releases/recommended_nx-os_releases.html" }, { "category": "external", "summary": "Cisco Nexus 7000 Series Switches", "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/nx-os/recommended_releases/recommended_nx-os_releases.html" }, { "category": "external", "summary": "Cisco Nexus 9000 Series Switches", "url": "http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/recommended_release/b_Minimum_and_Recommended_Cisco_NX-OS_Releases_for_Cisco_Nexus_9000_Series_Switches.html" }, { "category": "external", "summary": "Cisco Nexus 9000 Series ACI-Mode Switches", "url": "https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/recommended-release/b_Recommended_Cisco_ACI_Releases.html" }, { "category": "external", "summary": "Security Vulnerability Policy", "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html" } ], "title": "Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability", "tracking": { "current_release_date": "2019-03-06T16:00:00+00:00", "generator": { "date": "2022-09-03T03:17:08+00:00", "engine": { "name": "TVCE" } }, "id": "cisco-sa-20190306-nexus-fbr-dos", "initial_release_date": "2019-03-06T16:00:00+00:00", "revision_history": [ { "date": "2019-03-06T15:36:51+00:00", "number": "1.0.0", "summary": "Initial public release." } ], "status": "final", "version": "1.0.0" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "branches": [ { "category": "service_pack", "name": "6.0(2)N1(1)", "product": { "name": "6.0(2)N1(1)", "product_id": "CSAFPID-201875" } }, { "category": "service_pack", "name": "6.0(2)N1(2)", "product": { "name": "6.0(2)N1(2)", "product_id": "CSAFPID-201876" } }, { "category": "service_pack", "name": "6.0(2)N1(2a)", "product": { "name": "6.0(2)N1(2a)", "product_id": "CSAFPID-201877" } } ], "category": "product_version", "name": "6.0(2)N1" }, { "branches": [ { "category": "service_pack", "name": "6.0(2)N2(1)", "product": { "name": "6.0(2)N2(1)", "product_id": "CSAFPID-201878" } }, { "category": "service_pack", "name": "6.0(2)N2(1b)", "product": { "name": "6.0(2)N2(1b)", "product_id": "CSAFPID-201879" } }, { "category": "service_pack", "name": "6.0(2)N2(2)", "product": { "name": "6.0(2)N2(2)", "product_id": "CSAFPID-201880" } }, { "category": "service_pack", "name": "6.0(2)N2(3)", "product": { "name": "6.0(2)N2(3)", "product_id": "CSAFPID-201881" } }, { "category": "service_pack", "name": "6.0(2)N2(4)", "product": { "name": "6.0(2)N2(4)", "product_id": "CSAFPID-201882" } }, { "category": "service_pack", "name": "6.0(2)N2(5)", "product": { "name": "6.0(2)N2(5)", "product_id": "CSAFPID-201883" } }, { "category": "service_pack", "name": "6.0(2)N2(5a)", "product": { "name": "6.0(2)N2(5a)", "product_id": "CSAFPID-212034" } }, { "category": "service_pack", "name": "6.0(2)N2(6)", "product": { "name": "6.0(2)N2(6)", "product_id": "CSAFPID-212035" } }, { "category": "service_pack", "name": "6.0(2)N2(7)", "product": { "name": "6.0(2)N2(7)", "product_id": "CSAFPID-212036" } } ], "category": "product_version", "name": "6.0(2)N2" }, { "branches": [ { "category": "service_pack", "name": "7.0(0)N1(1)", "product": { "name": "7.0(0)N1(1)", "product_id": "CSAFPID-201884" } } ], "category": "product_version", "name": "7.0(0)N1" }, { "branches": [ { "category": "service_pack", "name": "7.0(1)N1(1)", "product": { "name": "7.0(1)N1(1)", "product_id": "CSAFPID-201885" } } ], "category": "product_version", "name": "7.0(1)N1" }, { "branches": [ { "category": "service_pack", "name": "7.0(2)N1(1)", "product": { "name": "7.0(2)N1(1)", "product_id": "CSAFPID-201886" } } ], "category": "product_version", "name": "7.0(2)N1" }, { "branches": [ { "category": "service_pack", "name": "7.0(3)N1(1)", "product": { "name": "7.0(3)N1(1)", "product_id": "CSAFPID-201887" } } ], "category": "product_version", "name": "7.0(3)N1" }, { "branches": [ { "category": "service_pack", "name": "7.0(4)N1(1)", "product": { "name": "7.0(4)N1(1)", "product_id": "CSAFPID-212037" } } ], "category": "product_version", "name": "7.0(4)N1" }, { "branches": [ { "category": "service_pack", "name": "7.0(5)N1(1)", "product": { "name": "7.0(5)N1(1)", "product_id": "CSAFPID-212038" } }, { "category": "service_pack", "name": "7.0(5)N1(1a)", "product": { "name": "7.0(5)N1(1a)", "product_id": "CSAFPID-212039" } } ], "category": "product_version", "name": "7.0(5)N1" }, { "branches": [ { "category": "service_pack", "name": "7.0(6)N1(1)", "product": { "name": "7.0(6)N1(1)", "product_id": "CSAFPID-208805" } } ], "category": "product_version", "name": "7.0(6)N1" }, { "branches": [ { "category": "service_pack", "name": "7.0(7)N1(1)", "product": { "name": "7.0(7)N1(1)", "product_id": "CSAFPID-212040" } } ], "category": "product_version", "name": "7.0(7)N1" }, { "branches": [ { "category": "service_pack", "name": "7.0(8)N1(1)", "product": { "name": "7.0(8)N1(1)", "product_id": "CSAFPID-220727" } } ], "category": "product_version", "name": "7.0(8)N1" }, { "branches": [ { "category": "service_pack", "name": "7.1(0)N1(1a)", "product": { "name": "7.1(0)N1(1a)", "product_id": "CSAFPID-212041" } }, { "category": "service_pack", "name": "7.1(0)N1(1b)", "product": { "name": "7.1(0)N1(1b)", "product_id": "CSAFPID-212042" } }, { "category": "service_pack", "name": "7.1(0)N1(1)", "product": { "name": "7.1(0)N1(1)", "product_id": "CSAFPID-230492" } } ], "category": "product_version", "name": "7.1(0)N1" }, { "branches": [ { "category": "service_pack", "name": "7.1(1)N1(1)", "product": { "name": "7.1(1)N1(1)", "product_id": "CSAFPID-208806" } } ], "category": "product_version", "name": "7.1(1)N1" }, { "branches": [ { "category": "service_pack", "name": "7.1(2)N1(1)", "product": { "name": "7.1(2)N1(1)", "product_id": "CSAFPID-212043" } } ], "category": "product_version", "name": "7.1(2)N1" }, { "branches": [ { "category": "service_pack", "name": "7.1(3)N1(1)", "product": { "name": "7.1(3)N1(1)", "product_id": "CSAFPID-212044" } }, { "category": "service_pack", "name": "7.1(3)N1(2)", "product": { "name": "7.1(3)N1(2)", "product_id": "CSAFPID-220733" } } ], "category": "product_version", "name": "7.1(3)N1" }, { "branches": [ { "category": "service_pack", "name": "7.1(4)N1(1)", "product": { "name": "7.1(4)N1(1)", "product_id": "CSAFPID-220734" } } ], "category": "product_version", "name": "7.1(4)N1" }, { "branches": [ { "category": "service_pack", "name": "7.1(5)N1(1)", "product": { "name": "7.1(5)N1(1)", "product_id": "CSAFPID-230473" } } ], "category": "product_version", "name": "7.1(5)N1" }, { "branches": [ { "category": "service_pack", "name": "7.2(0)N1(1)", "product": { "name": "7.2(0)N1(1)", "product_id": "CSAFPID-212045" } } ], "category": "product_version", "name": "7.2(0)N1" }, { "branches": [ { "category": "service_pack", "name": "7.2(1)N1(1)", "product": { "name": "7.2(1)N1(1)", "product_id": "CSAFPID-212046" } } ], "category": "product_version", "name": "7.2(1)N1" }, { "branches": [ { "category": "service_pack", "name": "7.3(0)N1(1)", "product": { "name": "7.3(0)N1(1)", "product_id": "CSAFPID-220737" } } ], "category": "product_version", "name": "7.3(0)N1" }, { "branches": [ { "category": "service_pack", "name": "7.3(1)N1(1)", "product": { "name": 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"CSAFPID-201882", "CSAFPID-201883", "CSAFPID-201884", "CSAFPID-201885", "CSAFPID-201886", "CSAFPID-201887", "CSAFPID-208805", "CSAFPID-208806", "CSAFPID-212034", "CSAFPID-212035", "CSAFPID-212036", "CSAFPID-212037", "CSAFPID-212038", "CSAFPID-212039", "CSAFPID-212040", "CSAFPID-212041", "CSAFPID-212042", "CSAFPID-212043", "CSAFPID-212044", "CSAFPID-212045", "CSAFPID-212046", "CSAFPID-220727", "CSAFPID-220733", "CSAFPID-220734", "CSAFPID-220737", "CSAFPID-227352", "CSAFPID-230467", "CSAFPID-230473", "CSAFPID-230492", "CSAFPID-239639" ] }, "release_date": "2019-03-06T16:00:00+00:00", "remediations": [ { "category": "vendor_fix", "details": "Cisco has released software updates that address this vulnerability.", "product_ids": [ "CSAFPID-201875", "CSAFPID-201876", "CSAFPID-201877", "CSAFPID-201878", "CSAFPID-201879", "CSAFPID-201880", "CSAFPID-201881", "CSAFPID-201882", "CSAFPID-201883", "CSAFPID-201884", "CSAFPID-201885", "CSAFPID-201886", "CSAFPID-201887", "CSAFPID-208805", "CSAFPID-208806", "CSAFPID-212034", "CSAFPID-212035", "CSAFPID-212036", "CSAFPID-212037", "CSAFPID-212038", "CSAFPID-212039", "CSAFPID-212040", "CSAFPID-212041", "CSAFPID-212042", "CSAFPID-212043", "CSAFPID-212044", "CSAFPID-212045", "CSAFPID-212046", "CSAFPID-220727", "CSAFPID-220733", "CSAFPID-220734", "CSAFPID-220737", "CSAFPID-227352", "CSAFPID-230467", "CSAFPID-230473", "CSAFPID-230492", "CSAFPID-239639" ], "url": "https://software.cisco.com" } ], "scores": [ { "cvss_v3": { "baseScore": 7.4, "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0" }, "products": [ "CSAFPID-201875", "CSAFPID-201876", "CSAFPID-201877", "CSAFPID-201878", "CSAFPID-201879", "CSAFPID-201880", "CSAFPID-201881", "CSAFPID-201882", "CSAFPID-201883", "CSAFPID-201884", "CSAFPID-201885", "CSAFPID-201886", "CSAFPID-201887", "CSAFPID-208805", "CSAFPID-208806", "CSAFPID-212034", "CSAFPID-212035", "CSAFPID-212036", "CSAFPID-212037", "CSAFPID-212038", "CSAFPID-212039", "CSAFPID-212040", "CSAFPID-212041", "CSAFPID-212042", "CSAFPID-212043", "CSAFPID-212044", "CSAFPID-212045", "CSAFPID-212046", "CSAFPID-220727", "CSAFPID-220733", "CSAFPID-220734", "CSAFPID-220737", "CSAFPID-227352", "CSAFPID-230467", "CSAFPID-230473", "CSAFPID-230492", "CSAFPID-239639" ] } ], "title": "Cisco Nexus 5600 and 6000 Series Switches Fibre Channel over Ethernet Denial of Service Vulnerability" } ] }
ghsa-6m2h-jq7c-rvm8
Vulnerability from github
A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an incorrect allocation of an internal interface index. An adjacent attacker with the ability to submit a crafted FCoE packet that crosses affected interfaces could trigger this vulnerability. A successful exploit could allow the attacker to cause a packet loop and high throughput on the affected interfaces, resulting in a DoS condition. This vulnerability has been fixed in version 7.3(5)N1(1).
{ "affected": [], "aliases": [ "CVE-2019-1595" ], "database_specific": { "cwe_ids": [ "CWE-913" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2019-03-06T22:29:00Z", "severity": "MODERATE" }, "details": "A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an incorrect allocation of an internal interface index. An adjacent attacker with the ability to submit a crafted FCoE packet that crosses affected interfaces could trigger this vulnerability. A successful exploit could allow the attacker to cause a packet loop and high throughput on the affected interfaces, resulting in a DoS condition. This vulnerability has been fixed in version 7.3(5)N1(1).", "id": "GHSA-6m2h-jq7c-rvm8", "modified": "2022-05-13T01:31:32Z", "published": "2022-05-13T01:31:32Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-1595" }, { "type": "WEB", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nexus-fbr-dos" }, { "type": "WEB", "url": "http://www.securityfocus.com/bid/107320" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ] }
var-201903-0579
Vulnerability from variot
A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an incorrect allocation of an internal interface index. An adjacent attacker with the ability to submit a crafted FCoE packet that crosses affected interfaces could trigger this vulnerability. A successful exploit could allow the attacker to cause a packet loop and high throughput on the affected interfaces, resulting in a DoS condition. This vulnerability has been fixed in version 7.3(5)N1(1). Cisco NX-OS The software is vulnerable to improper control of dynamically manipulated code resources.Service operation interruption (DoS) There is a possibility of being put into a state. The Cisco Nexus 5600 and 6000 Series Switches are modular and fixed-port network switches designed for data centers. This issue is being tracked by Cisco bug ID CSCvn24414
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