#VU13440 Buffer overflow in Cisco NX-OS - CVE-2018-0303
Published: June 20, 2018 / Updated: June 25, 2018
Vulnerability identifier: #VU13440
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-0303
CWE-ID: CWE-120
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Cisco NX-OS
Cisco NX-OS
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows an adjacent attacker to execute arbitrary code on the target system.
The vulnerability exists in the Cisco Discovery Protocol component due to buffer overflow when insufficient validation of Cisco Discovery Protocol packet headers. An adjacent attacker can send a specially crafted Cisco Discovery Protocol packet to a Layer 2 adjacent affected device, trigger memory corruption and cause the service to crash or execute arbitrary code with root privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.