#VU15422 Improper input validation in Cisco NX-OS - CVE-2018-0456
Published: October 18, 2018
Vulnerability identifier: #VU15422
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0456
CWE-ID: CWE-20
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 authenticated attacker to cause DoS condition on the target system.
The vulnerability exists in the Simple Network Management Protocol (SNMP) input packet processor of Cisco NX-OS Software due to improper validation of SNMP protocol data units (PDUs) in SNMP packets. A remote attacker can send SNMP packet and cause the SNMP application to restart multiple times, leading to a system-level restart and a denial of service (DoS) condition.
Remediation
Update to version 7.0(3)I7(4).