Buffer overflow in Cisco NX-OS - CVE-2018-0301
Published: June 20, 2018 / Updated: June 25, 2018
Vulnerability identifier: #VU13437
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2018-0301
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in the NX-API feature of Cisco NX-OS Software due to boundary error when incorrect input validation in the authentication module of the NX-API subsystem. A remote unauthenticated attacker can send a specially crafted HTTP or HTTPS packet to the management interface of an affected system with the NX-API feature enabled, trigger memory corruption and execute arbitrary code with root privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Cisco NX-OS
How to mitigate CVE-2018-0301
Install update from vendor's website.