SB2022011228 - Denial of service in Junos OS flowd



SB2022011228 - Denial of service in Junos OS flowd

Published: January 12, 2022

Security Bulletin ID SB2022011228
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) Improper locking (CVE-ID: CVE-2022-22175)

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

The vulnerability exists due to improper locking in the SIP ALG of Juniper Networks Junos OS on MX Series and SRX Series. An non-authenticated attacker can send specially crafted traffic to the system to cause a flowprocessing daemon (flowd) crash.


Remediation

Install update from vendor's website.