SB2022011315 - Denial of service in Junos OS management ethernet port



SB2022011315 - Denial of service in Junos OS management ethernet port

Published: January 13, 2022

Security Bulletin ID SB2022011315
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) Resource exhaustion (CVE-ID: CVE-2022-22161)

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

The vulnerability exists due to uncontrolled resource exhaustion in the kernel of Juniper Networks Junos OS. A remote non-authenticated attacker can send a huge amount of traffic to the out-of-band management ethernet port  and consume all available CPU resources.


Remediation

Install update from vendor's website.