Improper input validation in Cisco NX-OS - CVE-2018-0331

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Main Vulnerability Database Vulnerabilities #VU13444

Improper input validation in Cisco NX-OS - CVE-2018-0331

Published: June 20, 2018 / Updated: June 25, 2018


Vulnerability identifier: #VU13444
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-0331
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows an adjacent attacker to cause DoS condition on the target system.

The vulnerability exists in the Cisco Discovery Protocol (formerly known as CDP) subsystem due to improper validation of certain fields within a Cisco Discovery Protocol message prior to processing it. An adjacent attacker can submit a Cisco Discovery Protocol message and cause the service to crash.


Affected software

Cisco NX-OS
Cisco FXOS
UCS 6300 Series Fabric Interconnects
UCS 6200 Series Fabric Interconnects
UCS 6100 Series Fabric Interconnects

How to mitigate CVE-2018-0331

Install update from vendor's website.


External References

Related Security Bulletins