SB2022092905 - Local denial of service in Cisco SD-WAN Software



SB2022092905 - Local denial of service in Cisco SD-WAN Software

Published: September 29, 2022

Security Bulletin ID SB2022092905
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Neutralization of Argument Delimiters in a Command (CVE-ID: CVE-2022-20930)

CWE-ID: CWE-88 - Argument Injection or Modification

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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.