Buffer overflow in Cisco NX-OS - CVE-2018-0314

 

Buffer overflow in Cisco NX-OS - CVE-2018-0314

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


Vulnerability identifier: #VU13442
CSH Severity: High
CVSS v4.0: 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-2018-0314
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco NX-OS

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists in the Cisco Fabric Services (CFS) component due to buffer overflow 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 memory corruption and execute arbitrary code on the device.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2018-0314

Install update from vendor's website.

Sources