Main Vulnerability Database SB2019122037

SB2019122037 - Denial of service in Junos OS SNMP processing

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

Security Bulletin ID SB2019122037

CSH Severity

Medium

Patch available

YES

Number of vulnerabilities 1

Exploitation vector Remote access

Highest impact Denial of service

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 1 vulnerability.

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

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

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.

References

https://supportportal.juniper.net/s/article/2020-01-Security-Bulletin-Junos-OS-A-specific-SNMP-command-can-trigger-a-high-CPU-usage-Denial-of-Service-in-the-RPD-daemon-CVE-2020-1600