A vulnerability in the command-line tcpdump utility in the Cisco SD-WAN Solution could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges.
The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the tcpdump utility.
The attacker must be authenticated to access the tcpdump utility. A successful exploit could allow the attacker to execute commands with root privileges.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-sdwan-coinj ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180718-sdwan-coinj"]