SB2023041342 - Denial of service in Junos OS kernel



SB2023041342 - Denial of service in Junos OS kernel

Published: April 13, 2023

Security Bulletin ID SB2023041342
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 Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2023-28979)

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

The vulnerability exists due to improper error handling in the kernel of Juniper Networks Junos OS. A remote attacker on the local network can send specially crafted IPv6 packets to the affected device and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.