SB2023101765 - Denial of service in Junos OS on QFX5000 series devices 



SB2023101765 - Denial of service in Junos OS on QFX5000 series devices

Published: October 17, 2023

Security Bulletin ID SB2023101765
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 input validation (CVE-ID: CVE-2023-44192)

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

The vulnerability exists due to improper input validation error in the Packet Forwarding Engine when pseudo-VTEP (Virtual Tunnel End Point) is configured under EVPN-VXLAN scenario. A remote non-authenticated attacker can perform a denial of service (DoS) attack.

The vulnerability affects all QFX5000 series platforms.


Remediation

Install update from vendor's website.