SB2022011313 - Denial of service in Junos OS jdhcpd



SB2022011313 - Denial of service in Junos OS jdhcpd

Published: January 13, 2022

Security Bulletin ID SB2022011313
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2022-22163)

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 Juniper DHCP daemon (jdhcpd). A remote attacker on the local network can pass specially crafted packets to the jdhcpd daemon and crash it.


Remediation

Install update from vendor's website.