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Vulnerability Details : CVE-2018-0305

A vulnerability in the Cisco Fabric Services component of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability exists because the affected software insufficiently validates Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to force a NULL pointer dereference and cause a DoS condition. This vulnerability affects the following if configured to use Cisco Fabric Services: Firepower 4100 Series Next-Generation Firewalls, Firepower 9300 Security Appliance, MDS 9000 Series Multilayer Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules, UCS 6100 Series Fabric Interconnects, UCS 6200 Series Fabric Interconnects, UCS 6300 Series Fabric Interconnects. Cisco Bug IDs: CSCvd69966, CSCve02435, CSCve04859, CSCve41590, CSCve41593, CSCve41601.
Publish Date : 2018-06-21 Last Update Date : 2019-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 476

- Products Affected By CVE-2018-0305

# Product Type Vendor Product Version Update Edition Language
1 OS Cisco Firepower 9000 Firmware R211 Version Details Vulnerabilities
2 OS Cisco Firepower 9000 Firmware R231 Version Details Vulnerabilities
3 OS Cisco Nexus 5000 Firmware 7.0(0)hsk(0.357) Version Details Vulnerabilities
4 OS Cisco Nexus 5000 Firmware 8.1(0.2)s0 Version Details Vulnerabilities
5 OS Cisco Nexus 5000 Firmware 8.8(0.1) Version Details Vulnerabilities
6 OS Cisco Nexus 7000 Firmware 8.0(1) Version Details Vulnerabilities
7 OS Cisco Nexus 9000 Firmware 8.1(1)s5 Version Details Vulnerabilities
8 OS Cisco Nexus 9000 Firmware 8.1(0)bd(0.20) Version Details Vulnerabilities
9 OS Cisco Unified Computing System Firmware 3.1(3a)a Version Details Vulnerabilities
10 OS Cisco Unified Computing System Firmware 7.0(0)hsk(0.357) Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco Firepower 9000 Firmware 2
Cisco Nexus 5000 Firmware 3
Cisco Nexus 7000 Firmware 1
Cisco Nexus 9000 Firmware 2
Cisco Unified Computing System Firmware 2

- References For CVE-2018-0305

http://www.securitytracker.com/id/1041169
SECTRACK 1041169
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-fx-os-fabric-dos CONFIRM

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)
Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2018-0305

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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