SB2024071552 - Denial of service in Junos OS and Junos OS Evolved rpd



SB2024071552 - Denial of service in Junos OS and Junos OS Evolved rpd

Published: July 15, 2024

Security Bulletin ID SB2024071552
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
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) Unchecked return value (CVE-ID: CVE-2024-39558)

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

The vulnerability exists due to unchecked return value error in the Routing Protocol Daemon (rpd). A remote non-authenticated attacker can send a specific PIM packet to cause rpd to crash and restart, resulting in a Denial of Service (DoS), when PIM is configured with Multicast-only Fast Reroute (MoFRR).


Remediation

Install update from vendor's website.