cisco-sa-20181017-fxnx-os-dos
Vulnerability from csaf_cisco
Published
2018-10-17 16:00
Modified
2018-10-17 16:00
Summary
Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability
Notes
Summary
A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads.
The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"]
Vulnerable Products
This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco FXOS or NX-OS Software and LLDP is enabled on an interface. The LLDP protocol is not enabled by default on all FXOS and NX-OS platforms. Administrators are advised to refer to the device’s documentation for more information.
Refer to the Fixed Software ["#fs"] section of this security advisory for more information about affected releases.
Firepower 4100 Series Next-Generation Firewall
Firepower 9300 Security Appliance
MDS 9000 Series Multilayer Switches
Nexus 2000 Series Switches
Nexus 3000 Series Switches
Nexus 3500 Platform Switches
Nexus 5500 Platform Switches
Nexus 5600 Platform Switches
Nexus 6000 Platform Switches
Nexus 7000 Series Switches
Nexus 7700 Series Switches
Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode
Unified Computing System (UCS) 6100 Series Fabric Interconnects
UCS 6200 Series Fabric Interconnects
UCS 6300 Series Fabric Interconnects
Determining Whether LLDP Is Enabled
On the Nexus 9000 Series Fabric Switches in ACI mode, the administrator can use the show lldp interface ethernet port/interface command to determine the LLDP status. In the following example, LLDP is enabled if the transmit (tx) and receive (rx) status is Y.
# show lldp interface ethernet port/interface
Interface Information: Enable (tx/rx/dcbx): Y/Y/N Port Mac address: 00:fe:c8:09:e2:92
Determining the Cisco FXOS Software Release
Administrators can determine the release of Cisco FXOS Software that is running on a device by using the following commands in the device CLI or by navigating to the Overview tab in the Admin portal. The following example shows the output of the show version CLI command for a device that is running Cisco FXOS Software Release 2.2(2.14), as identified in the Package-Vers field of the command output:
QP4120B1 # scope system
QP4120B1 /system # show version
FPRM:
Running-Vers: 4.2(2.15)
Package-Vers: 2.2(2.14)
Activate-Status: Ready
Determining the Cisco NX-OS Software Release
Administrators can determine the release of Cisco NX-OS Software running on a device by using the show version command in the device CLI. The following example identifies the 11.2(2) release:
nxos-n9k-aci# show version
Cisco Nexus Operating System (NX-OS) Software
such license is available at
http://www.opensource.org/licenses/gpl-2.0.php ["http://www.opensource.org/licenses/gpl-2.0.php"] and http://www.opensource.org/licenses/lgpl-2.1.php ["http://www.opensource.org/licenses/lgpl-2.1.php"]
Software
BIOS: version N/A
kickstart: version 11.2(2) [build 11.2(1.184)]
system: version 11.2(2) [build 11.2(1.184)]
Determining the Cisco Application Policy Infrastructure Controller Software Release
There is a one-to-one mapping between the software for Cisco Application Policy Infrastructure Controller (APIC) and Cisco Nexus 9000 Series Fabric Switches in ACI mode. To determine which Cisco APIC release is running on a device, administrators can remove the leftmost 1 from the Cisco NX-OS Software version number. In the previous example, the Cisco APIC Software release is 1.2(2).
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by this vulnerability.
Cisco has confirmed that this vulnerability does not affect the following Cisco products:
Firepower 2100 Series
Nexus 1000V Switch for Microsoft Hyper-V
Nexus 1000V Switch for VMware vSphere
Nexus 3600 Platform Switches
Nexus 9000 Series Switches in standalone NX-OS mode
Nexus 9500 R-Series Line Cards and Fabric Modules
UCS 6400 Series Fabric Interconnects
Indicators of Compromise
Exploitation of this vulnerability could cause an affected device to reload and generate a core file. Contact the Cisco Technical Assistance Center (TAC) to review the core file and determine whether the device has been compromised by exploitation of this vulnerability.
Workarounds
There are no workarounds that address this vulnerability.
Fixed Software
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: https://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"]
Additionally, 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.
When 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 ["https://www.cisco.com/go/psirt"], to determine exposure and a complete upgrade solution.
In 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.
Customers Without Service Contracts
Customers 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"]
Customers 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.
Fixed Releases
In the following tables, the left column lists releases of Cisco FXOS or 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.
Firepower 4100 Series Next-Generation Firewall and Firepower 9300 Security Appliance: CSCvf23367 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvf23367"]
Cisco FXOS Software Release First Fixed Release for This Vulnerability Prior to 2.3
2.3.1.58 2.3 Not vulnerable
MDS 9000 Series Multilayer Switches: CSCuc98542 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542"]
Cisco NX-OS Software Release First Fixed Release for This Vulnerability 5.2 6.2(1)
6.2 6.2(1) 7.3 Not vulnerable 8.1
Not vulnerable
8.2 Not vulnerable
Nexus 3000 Series Switches: CSCuc98542 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542"]
Cisco NX-OS Software Release First Fixed Release for This Vulnerability 5.0(3)
6.0(2)U1(2)
6.0(2)
6.0(2)U1(2)
7.0(3) Not vulnerable
9.2(1) Not vulnerable
Nexus 3500 Platform Switches: CSCuc98542 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542"]
Cisco NX-OS Software Release First Fixed Release for This Vulnerability 5.0(3)
6.0(2)A1(1b) 6.0(2) 6.0(2)A1(1b) 7.0(3) Not vulnerable 9.2(1) Not vulnerable
Nexus 2000, 5500, 5600, and 6000 Series Switches: CSCuc98542 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542"]
Cisco NX-OS Software Release First Fixed Release for This Vulnerability 5.0
7.0(0)N1(1)
5.1 7.0(0)N1(1)
6.0 7.0(0)N1(1)
7.0 Not vulnerable
7.1 Not vulnerable
7.2 Not vulnerable
7.3 Not vulnerable
Nexus 7000 and 7700 Series Switches: CSCuc98542 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542"]
Cisco NX-OS Software Release First Fixed Release for This Vulnerability 5.2
5.2(9)
6.1 6.1(3) 6.2 Not vulnerable
7.2 Not vulnerable
7.3 Not vulnerable
8.0
Not vulnerable
8.1 Not vulnerable 8.2 Not vulnerable
Nexus 9000 Series Fabric Switches in ACI Mode: CSCvj94174 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj94174"]
Cisco NX-OS Software Release First Fixed Release for This Vulnerability Prior to 13.2/3.2
13.2(2l) / 3.2(2l)
13.2/3.2 13.2(2l) / 3.2(2l)
UCS 6100, 6200, and 6300 Series Fabric Interconnects: CSCvj96148 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj96148"]
Cisco NX-OS UCS Software Release First Fixed Release for This Vulnerability Prior to 2.2
2.2(8l)
2.2 2.2(8l)
3.1 3.1(3j)
3.2
3.2(3g)
4.0
4.0(1a)
Vulnerability Policy
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.
Exploitation and Public Announcements
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.
Source
This vulnerability was found during the resolution of a Cisco TAC support case.
Legal Disclaimer
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.
A 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.
{
"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 Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads.\r\n\r\nThe vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly.\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-20181017-fxnx-os-dos [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos\"]",
"title": "Summary"
},
{
"category": "general",
"text": "This vulnerability affects the following Cisco products if they are running a vulnerable release of Cisco FXOS or NX-OS Software and LLDP is enabled on an interface. The LLDP protocol is not enabled by default on all FXOS and NX-OS platforms. Administrators are advised to refer to the device\u2019s documentation for more information.\r\n\r\nRefer to the Fixed Software [\"#fs\"] section of this security advisory for more information about affected releases.\r\n\r\nFirepower 4100 Series Next-Generation Firewall\r\nFirepower 9300 Security Appliance\r\nMDS 9000 Series Multilayer Switches\r\nNexus 2000 Series Switches\r\nNexus 3000 Series Switches\r\nNexus 3500 Platform Switches\r\nNexus 5500 Platform Switches\r\nNexus 5600 Platform Switches\r\nNexus 6000 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\nUnified Computing System (UCS) 6100 Series Fabric Interconnects\r\nUCS 6200 Series Fabric Interconnects\r\nUCS 6300 Series Fabric Interconnects\r\n Determining Whether LLDP Is Enabled\r\nOn the Nexus 9000 Series Fabric Switches in ACI mode, the administrator can use the show lldp interface ethernet port/interface command to determine the LLDP status. In the following example, LLDP is enabled if the transmit (tx) and receive (rx) status is Y.\r\n\r\n\r\n# show lldp interface ethernet port/interface\r\nInterface Information: Enable (tx/rx/dcbx): Y/Y/N Port Mac address: 00:fe:c8:09:e2:92\r\n Determining the Cisco FXOS Software Release\r\nAdministrators can determine the release of Cisco FXOS Software that is running on a device by using the following commands in the device CLI or by navigating to the Overview tab in the Admin portal. The following example shows the output of the show version CLI command for a device that is running Cisco FXOS Software Release 2.2(2.14), as identified in the Package-Vers field of the command output:\r\n\r\n\r\nQP4120B1 # scope system\r\nQP4120B1 /system # show version\r\nFPRM:\r\nRunning-Vers: 4.2(2.15)\r\nPackage-Vers: 2.2(2.14)\r\nActivate-Status: Ready\r\n Determining the Cisco NX-OS Software Release\r\nAdministrators can determine the release of Cisco NX-OS Software running on a device by using the show version command in the device CLI. The following example identifies the 11.2(2) release:\r\n\r\n\r\nnxos-n9k-aci# show version\r\nCisco Nexus Operating System (NX-OS) Software\r\nsuch license is available at\r\nhttp://www.opensource.org/licenses/gpl-2.0.php [\"http://www.opensource.org/licenses/gpl-2.0.php\"] and http://www.opensource.org/licenses/lgpl-2.1.php [\"http://www.opensource.org/licenses/lgpl-2.1.php\"]\r\nSoftware\r\nBIOS: version N/A\r\nkickstart: version 11.2(2) [build 11.2(1.184)]\r\nsystem: version 11.2(2) [build 11.2(1.184)]\r\n Determining the Cisco Application Policy Infrastructure Controller Software Release\r\nThere is a one-to-one mapping between the software for Cisco Application Policy Infrastructure Controller (APIC) and Cisco Nexus 9000 Series Fabric Switches in ACI mode. To determine which Cisco APIC release is running on a device, administrators can remove the leftmost 1 from the Cisco NX-OS Software version number. In the previous example, the Cisco APIC Software release is 1.2(2).",
"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\r\nNexus 1000V Switch for Microsoft Hyper-V\r\nNexus 1000V Switch for VMware vSphere\r\nNexus 3600 Platform Switches\r\nNexus 9000 Series Switches in standalone NX-OS mode\r\nNexus 9500 R-Series Line Cards and Fabric Modules\r\nUCS 6400 Series Fabric Interconnects",
"title": "Products Confirmed Not Vulnerable"
},
{
"category": "general",
"text": "Exploitation of this vulnerability could cause an affected device to reload and generate a core file. Contact the Cisco Technical Assistance Center (TAC) to review the core file and determine whether the device has been compromised by exploitation of this vulnerability.",
"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: https://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 [\"https://www.cisco.com/go/psirt\"], 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 tables, the left column lists releases of Cisco FXOS or 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.\r\n\r\nFirepower 4100 Series Next-Generation Firewall and Firepower 9300 Security Appliance: CSCvf23367 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvf23367\"]\r\n Cisco FXOS Software Release First Fixed Release for This Vulnerability Prior to 2.3\r\n 2.3.1.58 2.3 Not vulnerable\r\n\r\nMDS 9000 Series Multilayer Switches: CSCuc98542 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542\"]\r\n Cisco NX-OS Software Release First Fixed Release for This Vulnerability 5.2 6.2(1)\r\n 6.2 6.2(1) 7.3 Not vulnerable 8.1\r\n Not vulnerable\r\n 8.2 Not vulnerable\r\nNexus 3000 Series Switches: CSCuc98542 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542\"]\r\n Cisco NX-OS Software Release First Fixed Release for This Vulnerability 5.0(3)\r\n 6.0(2)U1(2)\r\n 6.0(2)\r\n 6.0(2)U1(2)\r\n 7.0(3) Not vulnerable\r\n 9.2(1) Not vulnerable\r\n\r\nNexus 3500 Platform Switches: CSCuc98542 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542\"]\r\n Cisco NX-OS Software Release First Fixed Release for This Vulnerability 5.0(3)\r\n 6.0(2)A1(1b) 6.0(2) 6.0(2)A1(1b) 7.0(3) Not vulnerable 9.2(1) Not vulnerable\r\n\r\nNexus 2000, 5500, 5600, and 6000 Series Switches: CSCuc98542 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542\"]\r\n Cisco NX-OS Software Release First Fixed Release for This Vulnerability 5.0\r\n 7.0(0)N1(1)\r\n 5.1 7.0(0)N1(1)\r\n 6.0 7.0(0)N1(1)\r\n 7.0 Not vulnerable\r\n 7.1 Not vulnerable\r\n 7.2 Not vulnerable\r\n 7.3 Not vulnerable\r\n\r\nNexus 7000 and 7700 Series Switches: CSCuc98542 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542\"]\r\n Cisco NX-OS Software Release First Fixed Release for This Vulnerability 5.2\r\n 5.2(9)\r\n 6.1 6.1(3) 6.2 Not vulnerable\r\n 7.2 Not vulnerable\r\n 7.3 Not vulnerable\r\n 8.0\r\n Not vulnerable\r\n 8.1 Not vulnerable 8.2 Not vulnerable\r\nNexus 9000 Series Fabric Switches in ACI Mode: CSCvj94174 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj94174\"]\r\n Cisco NX-OS Software Release First Fixed Release for This Vulnerability Prior to 13.2/3.2\r\n 13.2(2l) / 3.2(2l)\r\n 13.2/3.2 13.2(2l) / 3.2(2l)\r\nUCS 6100, 6200, and 6300 Series Fabric Interconnects: CSCvj96148 [\"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj96148\"]\r\n Cisco NX-OS UCS Software Release First Fixed Release for This Vulnerability Prior to 2.2\r\n 2.2(8l)\r\n 2.2 2.2(8l)\r\n 3.1 3.1(3j)\r\n 3.2\r\n 3.2(3g)\r\n 4.0\r\n 4.0(1a)",
"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 FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-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-20181017-fxnx-os-dos",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos"
},
{
"category": "external",
"summary": "http://www.opensource.org/licenses/gpl-2.0.php",
"url": "http://www.opensource.org/licenses/gpl-2.0.php"
},
{
"category": "external",
"summary": "http://www.opensource.org/licenses/lgpl-2.1.php",
"url": "http://www.opensource.org/licenses/lgpl-2.1.php"
},
{
"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": "Cisco Security Advisories and Alerts page",
"url": "https://www.cisco.com/go/psirt"
},
{
"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": "CSCvf23367",
"url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvf23367"
},
{
"category": "external",
"summary": "CSCuc98542",
"url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542"
},
{
"category": "external",
"summary": "CSCuc98542",
"url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542"
},
{
"category": "external",
"summary": "CSCuc98542",
"url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542"
},
{
"category": "external",
"summary": "CSCuc98542",
"url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542"
},
{
"category": "external",
"summary": "CSCuc98542",
"url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuc98542"
},
{
"category": "external",
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"product_id": "CSAFPID-241266"
}
},
{
"category": "service_pack",
"name": "12.3(1p)",
"product": {
"name": "12.3(1p)",
"product_id": "CSAFPID-241267"
}
}
],
"category": "product_version",
"name": "12.3"
},
{
"branches": [
{
"category": "service_pack",
"name": "13.0(1k)",
"product": {
"name": "13.0(1k)",
"product_id": "CSAFPID-241218"
}
},
{
"category": "service_pack",
"name": "13.0(2h)",
"product": {
"name": "13.0(2h)",
"product_id": "CSAFPID-241224"
}
},
{
"category": "service_pack",
"name": "13.0(2k)",
"product": {
"name": "13.0(2k)",
"product_id": "CSAFPID-241261"
}
},
{
"category": "service_pack",
"name": "13.0(2n)",
"product": {
"name": "13.0(2n)",
"product_id": "CSAFPID-241262"
}
}
],
"category": "product_version",
"name": "13.0"
},
{
"branches": [
{
"category": "service_pack",
"name": "13.1(1i)",
"product": {
"name": "13.1(1i)",
"product_id": "CSAFPID-241220"
}
},
{
"category": "service_pack",
"name": "13.1(2m)",
"product": {
"name": "13.1(2m)",
"product_id": "CSAFPID-241223"
}
},
{
"category": "service_pack",
"name": "13.1(2o)",
"product": {
"name": "13.1(2o)",
"product_id": "CSAFPID-241258"
}
},
{
"category": "service_pack",
"name": "13.1(2p)",
"product": {
"name": "13.1(2p)",
"product_id": "CSAFPID-241259"
}
},
{
"category": "service_pack",
"name": "13.1(2q)",
"product": {
"name": "13.1(2q)",
"product_id": "CSAFPID-241260"
}
}
],
"category": "product_version",
"name": "13.1"
},
{
"branches": [
{
"category": "service_pack",
"name": "13.2(1l)",
"product": {
"name": "13.2(1l)",
"product_id": "CSAFPID-241222"
}
},
{
"category": "service_pack",
"name": "13.2(1m)",
"product": {
"name": "13.2(1m)",
"product_id": "CSAFPID-241257"
}
}
],
"category": "product_version",
"name": "13.2"
},
{
"branches": [
{
"category": "service_pack",
"name": "11.3(1g)",
"product": {
"name": "11.3(1g)",
"product_id": "CSAFPID-241233"
}
},
{
"category": "service_pack",
"name": "11.3(2f)",
"product": {
"name": "11.3(2f)",
"product_id": "CSAFPID-241234"
}
},
{
"category": "service_pack",
"name": "11.3(1h)",
"product": {
"name": "11.3(1h)",
"product_id": "CSAFPID-241361"
}
},
{
"category": "service_pack",
"name": "11.3(1i)",
"product": {
"name": "11.3(1i)",
"product_id": "CSAFPID-241362"
}
},
{
"category": "service_pack",
"name": "11.3(2h)",
"product": {
"name": "11.3(2h)",
"product_id": "CSAFPID-241363"
}
},
{
"category": "service_pack",
"name": "11.3(2i)",
"product": {
"name": "11.3(2i)",
"product_id": "CSAFPID-241364"
}
},
{
"category": "service_pack",
"name": "11.3(2k)",
"product": {
"name": "11.3(2k)",
"product_id": "CSAFPID-241365"
}
}
],
"category": "product_version",
"name": "11.3"
}
],
"category": "product_family",
"name": "Cisco NX-OS System Software in ACI Mode"
}
],
"category": "vendor",
"name": "Cisco"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2018-0395",
"ids": [
{
"system_name": "Cisco Bug ID",
"text": "CSCvf23367"
},
{
"system_name": "Cisco Bug ID",
"text": "CSCvj94174"
},
{
"system_name": "Cisco Bug ID",
"text": "CSCvj96148"
},
{
"system_name": "Cisco Bug ID",
"text": "CSCuc98542"
}
],
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
"CSAFPID-225888",
"CSAFPID-241204",
"CSAFPID-241206",
"CSAFPID-241208",
"CSAFPID-241210",
"CSAFPID-241212",
"CSAFPID-241214",
"CSAFPID-241216",
"CSAFPID-241218",
"CSAFPID-241220",
"CSAFPID-241222",
"CSAFPID-241223",
"CSAFPID-241224",
"CSAFPID-241225",
"CSAFPID-241226",
"CSAFPID-241227",
"CSAFPID-241228",
"CSAFPID-241229",
"CSAFPID-241230",
"CSAFPID-241231",
"CSAFPID-241233",
"CSAFPID-241234",
"CSAFPID-241235",
"CSAFPID-241236",
"CSAFPID-241237",
"CSAFPID-241238",
"CSAFPID-241239",
"CSAFPID-241240",
"CSAFPID-241241",
"CSAFPID-241242",
"CSAFPID-241243",
"CSAFPID-241244",
"CSAFPID-241245",
"CSAFPID-241246",
"CSAFPID-241247",
"CSAFPID-241248",
"CSAFPID-241249",
"CSAFPID-241250",
"CSAFPID-241251",
"CSAFPID-241252",
"CSAFPID-241253",
"CSAFPID-241254",
"CSAFPID-241255",
"CSAFPID-241256",
"CSAFPID-241257",
"CSAFPID-241258",
"CSAFPID-241259",
"CSAFPID-241260",
"CSAFPID-241261",
"CSAFPID-241262",
"CSAFPID-241263",
"CSAFPID-241264",
"CSAFPID-241265",
"CSAFPID-241266",
"CSAFPID-241267",
"CSAFPID-241268",
"CSAFPID-241272",
"CSAFPID-241273",
"CSAFPID-241274",
"CSAFPID-241275",
"CSAFPID-241276",
"CSAFPID-241277",
"CSAFPID-241278",
"CSAFPID-241279",
"CSAFPID-241280",
"CSAFPID-241281",
"CSAFPID-241282",
"CSAFPID-241283",
"CSAFPID-241309",
"CSAFPID-241310",
"CSAFPID-241349",
"CSAFPID-241350",
"CSAFPID-241351",
"CSAFPID-241352",
"CSAFPID-241353",
"CSAFPID-241354",
"CSAFPID-241355",
"CSAFPID-241356",
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"CSAFPID-191392",
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"CSAFPID-191395",
"CSAFPID-191396",
"CSAFPID-191397",
"CSAFPID-191398",
"CSAFPID-191399",
"CSAFPID-191400",
"CSAFPID-191401",
"CSAFPID-191402",
"CSAFPID-191403",
"CSAFPID-191404",
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"CSAFPID-191409",
"CSAFPID-191410",
"CSAFPID-191411",
"CSAFPID-191412",
"CSAFPID-191413",
"CSAFPID-191414",
"CSAFPID-191415",
"CSAFPID-191416",
"CSAFPID-191417",
"CSAFPID-191418",
"CSAFPID-191419",
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"CSAFPID-191468",
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"CSAFPID-198539",
"CSAFPID-201874",
"CSAFPID-201875",
"CSAFPID-201876",
"CSAFPID-201877",
"CSAFPID-201878",
"CSAFPID-201879",
"CSAFPID-201880",
"CSAFPID-201881",
"CSAFPID-201882",
"CSAFPID-201883",
"CSAFPID-201888",
"CSAFPID-212034",
"CSAFPID-212035",
"CSAFPID-212036",
"CSAFPID-212073",
"CSAFPID-224617",
"CSAFPID-239416",
"CSAFPID-239513",
"CSAFPID-239530",
"CSAFPID-239531",
"CSAFPID-239579",
"CSAFPID-239580",
"CSAFPID-239581",
"CSAFPID-239582",
"CSAFPID-239583",
"CSAFPID-239646",
"CSAFPID-239647",
"CSAFPID-239648",
"CSAFPID-239672",
"CSAFPID-239673",
"CSAFPID-239674",
"CSAFPID-239675",
"CSAFPID-240150"
]
},
"release_date": "2018-10-17T16:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
"product_ids": [
"CSAFPID-112776",
"CSAFPID-191391",
"CSAFPID-191392",
"CSAFPID-191393",
"CSAFPID-191394",
"CSAFPID-191395",
"CSAFPID-191396",
"CSAFPID-191397",
"CSAFPID-191398",
"CSAFPID-191399",
"CSAFPID-191400",
"CSAFPID-191401",
"CSAFPID-191402",
"CSAFPID-191403",
"CSAFPID-191404",
"CSAFPID-191405",
"CSAFPID-191406",
"CSAFPID-191407",
"CSAFPID-191408",
"CSAFPID-191409",
"CSAFPID-191410",
"CSAFPID-191411",
"CSAFPID-191412",
"CSAFPID-191413",
"CSAFPID-191414",
"CSAFPID-191415",
"CSAFPID-191416",
"CSAFPID-191417",
"CSAFPID-191418",
"CSAFPID-191419",
"CSAFPID-191420",
"CSAFPID-191421",
"CSAFPID-191422",
"CSAFPID-191423",
"CSAFPID-191424",
"CSAFPID-191425",
"CSAFPID-191426",
"CSAFPID-191427",
"CSAFPID-191428",
"CSAFPID-191429",
"CSAFPID-191430",
"CSAFPID-191431",
"CSAFPID-191432",
"CSAFPID-191433",
"CSAFPID-191434",
"CSAFPID-191435",
"CSAFPID-191436",
"CSAFPID-191437",
"CSAFPID-191438",
"CSAFPID-191439",
"CSAFPID-191440",
"CSAFPID-191441",
"CSAFPID-191442",
"CSAFPID-191443",
"CSAFPID-191444",
"CSAFPID-191445",
"CSAFPID-191446",
"CSAFPID-191447",
"CSAFPID-191448",
"CSAFPID-191449",
"CSAFPID-191450",
"CSAFPID-191451",
"CSAFPID-191453",
"CSAFPID-191454",
"CSAFPID-191455",
"CSAFPID-191456",
"CSAFPID-191466",
"CSAFPID-191467",
"CSAFPID-191468",
"CSAFPID-191469",
"CSAFPID-191470",
"CSAFPID-191471",
"CSAFPID-191472",
"CSAFPID-191473",
"CSAFPID-191474",
"CSAFPID-191475",
"CSAFPID-191476",
"CSAFPID-191477",
"CSAFPID-191478",
"CSAFPID-191479",
"CSAFPID-191480",
"CSAFPID-191481",
"CSAFPID-191482",
"CSAFPID-191483",
"CSAFPID-191484",
"CSAFPID-191485",
"CSAFPID-194693",
"CSAFPID-196611",
"CSAFPID-196612",
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"CSAFPID-201881",
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"CSAFPID-201883",
"CSAFPID-201888",
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"CSAFPID-212073",
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"CSAFPID-241281",
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"CSAFPID-241310",
"CSAFPID-241349",
"CSAFPID-241350",
"CSAFPID-241351",
"CSAFPID-241352",
"CSAFPID-241353",
"CSAFPID-241354",
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"CSAFPID-241356",
"CSAFPID-241357",
"CSAFPID-241358",
"CSAFPID-241359",
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"CSAFPID-241364",
"CSAFPID-241365",
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"CSAFPID-241367",
"CSAFPID-241368",
"CSAFPID-241369",
"CSAFPID-241370",
"CSAFPID-225888"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
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"CSAFPID-241206",
"CSAFPID-241208",
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"CSAFPID-241357",
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"CSAFPID-241359",
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"CSAFPID-241362",
"CSAFPID-241363",
"CSAFPID-241364",
"CSAFPID-241365",
"CSAFPID-241366",
"CSAFPID-241367",
"CSAFPID-241368",
"CSAFPID-241369",
"CSAFPID-241370",
"CSAFPID-112776",
"CSAFPID-191391",
"CSAFPID-191392",
"CSAFPID-191393",
"CSAFPID-191394",
"CSAFPID-191395",
"CSAFPID-191396",
"CSAFPID-191397",
"CSAFPID-191398",
"CSAFPID-191399",
"CSAFPID-191400",
"CSAFPID-191401",
"CSAFPID-191402",
"CSAFPID-191403",
"CSAFPID-191404",
"CSAFPID-191405",
"CSAFPID-191406",
"CSAFPID-191407",
"CSAFPID-191408",
"CSAFPID-191409",
"CSAFPID-191410",
"CSAFPID-191411",
"CSAFPID-191412",
"CSAFPID-191413",
"CSAFPID-191414",
"CSAFPID-191415",
"CSAFPID-191416",
"CSAFPID-191417",
"CSAFPID-191418",
"CSAFPID-191419",
"CSAFPID-191420",
"CSAFPID-191421",
"CSAFPID-191422",
"CSAFPID-191423",
"CSAFPID-191424",
"CSAFPID-191425",
"CSAFPID-191426",
"CSAFPID-191427",
"CSAFPID-191428",
"CSAFPID-191429",
"CSAFPID-191430",
"CSAFPID-191431",
"CSAFPID-191432",
"CSAFPID-191433",
"CSAFPID-191434",
"CSAFPID-191435",
"CSAFPID-191436",
"CSAFPID-191437",
"CSAFPID-191438",
"CSAFPID-191439",
"CSAFPID-191440",
"CSAFPID-191441",
"CSAFPID-191442",
"CSAFPID-191443",
"CSAFPID-191444",
"CSAFPID-191445",
"CSAFPID-191446",
"CSAFPID-191447",
"CSAFPID-191448",
"CSAFPID-191449",
"CSAFPID-191450",
"CSAFPID-191451",
"CSAFPID-191453",
"CSAFPID-191454",
"CSAFPID-191455",
"CSAFPID-191456",
"CSAFPID-191466",
"CSAFPID-191467",
"CSAFPID-191468",
"CSAFPID-191469",
"CSAFPID-191470",
"CSAFPID-191471",
"CSAFPID-191472",
"CSAFPID-191473",
"CSAFPID-191474",
"CSAFPID-191475",
"CSAFPID-191476",
"CSAFPID-191477",
"CSAFPID-191478",
"CSAFPID-191479",
"CSAFPID-191480",
"CSAFPID-191481",
"CSAFPID-191482",
"CSAFPID-191483",
"CSAFPID-191484",
"CSAFPID-191485",
"CSAFPID-194693",
"CSAFPID-196611",
"CSAFPID-196612",
"CSAFPID-196613",
"CSAFPID-196614",
"CSAFPID-196615",
"CSAFPID-196616",
"CSAFPID-198539",
"CSAFPID-201874",
"CSAFPID-201875",
"CSAFPID-201876",
"CSAFPID-201877",
"CSAFPID-201878",
"CSAFPID-201879",
"CSAFPID-201880",
"CSAFPID-201881",
"CSAFPID-201882",
"CSAFPID-201883",
"CSAFPID-201888",
"CSAFPID-212034",
"CSAFPID-212035",
"CSAFPID-212036",
"CSAFPID-212073",
"CSAFPID-224617",
"CSAFPID-239416",
"CSAFPID-239513",
"CSAFPID-239530",
"CSAFPID-239531",
"CSAFPID-239579",
"CSAFPID-239580",
"CSAFPID-239581",
"CSAFPID-239582",
"CSAFPID-239583",
"CSAFPID-239646",
"CSAFPID-239647",
"CSAFPID-239648",
"CSAFPID-239672",
"CSAFPID-239673",
"CSAFPID-239674",
"CSAFPID-239675",
"CSAFPID-240150"
]
}
],
"title": "Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.