SB2022071367 - Denial of service in Junos OS and Junos OS Evolved



SB2022071367 - Denial of service in Junos OS and Junos OS Evolved

Published: July 13, 2022 Updated: October 26, 2023

Security Bulletin ID SB2022071367
CSH 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 vulnerability.


1) Input validation error (CVE-ID: CVE-2022-22214)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to insufficient validation of user-supplied input in the Packet Forwarding Engine (PFE). A remote attacker on the local network can send specially crafted transit IPv6 packet over MPLS and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.