SB2022101266 - Denial of service in Junos OS FPC



SB2022101266 - Denial of service in Junos OS FPC

Published: October 12, 2022

Security Bulletin ID SB2022101266
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 control of a resource through its lifetime (CVE-ID: CVE-2022-22249)

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

The vulnerability exists due to incorrect control over memory operations in the Packet Forwarding Engine (PFE). A remote attacker on the local network can cause one or more FPCs to crash and reboot, resulting in a denial of service (DoS) condition.

The vulnerability affects Juniper Networks Junos OS on MX Series.


Remediation

Install update from vendor's website.