Buffer overflow in Cisco NX-OS - CVE-2018-0308
Published: June 20, 2018 / Updated: June 25, 2018
Vulnerability identifier: #VU13439
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-2018-0308
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco NX-OS
Cisco NX-OS
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The vulnerability exists in the Cisco Fabric Services component due to buffer overflow when insufficient validation of header values in Cisco Fabric Services packets. A remote unauthenticated attacker can send a specially crafted Cisco Fabric Services packet, trigger memory corruption 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.
How to mitigate CVE-2018-0308
Install update from vendor's website.