Improper input validation in Cisco NX-OS - CVE-2018-0295

 

Improper input validation in Cisco NX-OS - CVE-2018-0295

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


Vulnerability identifier: #VU13436
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-0295
CWE-ID: CWE-20
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 cause DoS condition on the target system.

The vulnerability exists in the Border Gateway Protocol (BGP) implementation of Cisco NX-OS Software due to incomplete input validation of the BGP update messages. A remote attacker can send a specially crafted BGP update message and cause the switch to reload unexpectedly.


How to mitigate CVE-2018-0295

Install update from vendor's website.

Sources