SB2023041359 - Denial of service in Junos OS JRR200 kernel



SB2023041359 - Denial of service in Junos OS JRR200 kernel

Published: April 13, 2023 Updated: November 8, 2023

Security Bulletin ID SB2023041359
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 or Handling of Exceptional Conditions (CVE-ID: CVE-2023-28970)

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

The vulnerability exists due to an error in packet processing on the network interfaces of Juniper Networks Junos OS on JRR200 route reflector appliances. A remote attacker can send a specific packet to the device to cause a kernel crash.


Remediation

Install update from vendor's website.