SB2023041342 - Denial of service in Junos OS kernel



SB2023041342 - Denial of service in Junos OS kernel

Published: April 13, 2023

Security Bulletin ID SB2023041342
CSH 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 vulnerability.


1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2023-28979)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: CVSS:4.0/AV:A/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 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.