#VU13443 Buffer overflow in Cisco NX-OS - CVE-2018-0312
Published: June 20, 2018 / Updated: June 25, 2018
Vulnerability identifier: #VU13443
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-0312
CWE-ID: CWE-120
Exploitation vector: Remote access
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 a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The vulnerability exists due to boundary error when insufficient validation of Cisco Fabric Services packet headers when the software processes packet data. A remote unauthenticated attacker can send a maliciously crafted Cisco Fabric Services packet, trigger buffer overflow condition and cause the service to crash or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.