#VU13855 Improper input validation in Cisco StarOS - CVE-2018-0369
Published: July 11, 2018 / Updated: July 13, 2018
Vulnerability identifier: #VU13855
Vulnerability risk: Low
CVSSv4.0: 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:Clear
CVE-ID: CVE-2018-0369
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco StarOS
Cisco StarOS
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in the reassembly logic for fragmented IPv4 packets of Cisco StarOS running on virtual platforms due to improper handling of fragmented IPv4 packets containing options. A remote attacker can send a malicious IPv4 packet across an affected device, trigger a restart of the npusim process and cause all traffic queued toward this instance of the npusim process to be dropped while the process is restarting.
Remediation
Install update from vendor's website.