SB2023101753 - Denial of service in Juniper Junos OS pfe



SB2023101753 - Denial of service in Juniper Junos OS pfe

Published: October 17, 2023

Security Bulletin ID SB2023101753
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) Improper check or handling of exceptional conditions (CVE-ID: CVE-2023-44203)

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

The vulnerability exists due to improper check or handling of exceptional conditions error in the Packet Forwarding Engine (pfe) when a specific IGMP packet is received in an isolated VLAN. A remote non-authenticated attacker can perform a denial of service (DoS) attack.

The vulnerability affects QFX5000 series, EX2300, EX3400, EX4100, EX4400 and EX4600 platforms only.


Remediation

Install update from vendor's website.