SB2019122037 - Denial of service in Junos OS SNMP processing



SB2019122037 - Denial of service in Junos OS SNMP processing

Published: December 20, 2019 Updated: October 27, 2023

Security Bulletin ID SB2019122037
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) Loop with unreachable exit condition ('infinite loop') (CVE-ID: CVE-2020-1600)

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

In a Point-to-Multipoint (P2MP) Label Switched Path (LSP) scenario, an uncontrolled resource consumption vulnerability in the Routing Protocol Daemon (RPD) in Juniper Networks Junos OS allows a specific SNMP request to trigger an infinite loop causing a high CPU usage Denial of Service (DoS) condition. This issue affects both SNMP over IPv4 and IPv6.


Remediation

Install update from vendor's website.