SB2024011076 - Null pointer dereference in Junos OS Evolved



SB2024011076 - Null pointer dereference in Junos OS Evolved

Published: January 10, 2024

Security Bulletin ID SB2024011076
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Null pointer dereference (CVE-ID: CVE-2024-21602)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to null pointer dereference error. A remote non-authenticated attacker can cause a Denial of Service (DoS).

If a specific IPv4 UDP packet is received and sent to the Routing Engine (RE) packetio crashes and restarts which causes a momentary traffic interruption.

 Continued receipt of such packets will lead to a sustained DoS.


Remediation

Install update from vendor's website.