SB2023011170 - Unchecked input for loop condition in Juniper Junos OS



SB2023011170 - Unchecked input for loop condition in Juniper Junos OS

Published: January 11, 2023

Security Bulletin ID SB2023011170
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Unchecked input for loop condition (CVE-ID: CVE-2023-22409)

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to unchecked input for loop condition error in a NAT library. A local authenticated user can cause a Denial of Service (DoS).

 When an inconsistent "deterministic NAT" configuration is present on an SRX, or MX with SPC3 and then a specific CLI command is issued the SPC will crash and restart.

Repeated execution of this command will lead to a sustained DoS.


Remediation

Install update from vendor's website.