SB2022092905 - Local denial of service in Cisco SD-WAN Software
Published: September 29, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Neutralization of Argument Delimiters in a Command (CVE-ID: CVE-2022-20930)
The vulnerability allows a local user to corrupt arbitrary files on the system.
The vulnerability exists due to insufficient input validation when handling commands in the CLI of Cisco SD-WAN Software. A local user can run certain commands that are expected to be accessible by the root user only and overwrite arbitrary files on the system, resulting in a denial of service attack.
Remediation
Install update from vendor's website.