SB2020010336 - Denial of service in Junos OS BBE configurations



SB2020010336 - Denial of service in Junos OS BBE configurations

Published: January 3, 2020 Updated: October 26, 2023

Security Bulletin ID SB2020010336
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-2020-1608)

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

Problem Receipt of a specific packet on the core facing interface of an MX Series device configured for Broadband Edge (BBE) service may trigger a kernel crash (vmcore), causing the device to reboot. The issue is specific to the processing of packets destined to BBE clients connected to MX Series subscriber management platforms.


Remediation

Install update from vendor's website.