SB2024071553 - Denial of service in Junos OS Evolved CLI



SB2024071553 - Denial of service in Junos OS Evolved CLI

Published: July 15, 2024

Security Bulletin ID SB2024071553
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) Improper input validation (CVE-ID: CVE-2024-39513)

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

The vulnerability exists due to improper input validation error in the Packet Forwarding Engine (PFE). A local user can cause a Denial of Service (DoS).

When a specific "clear" command is run, the Advanced Forwarding Toolkit manager (evo-aftmand-bt or evo-aftmand-zx) crashes and restarts.

The crash impacts all traffic going through the FPCs, causing a DoS.


Remediation

Install update from vendor's website.