Improper validation of specified quantity in input in Junos OS Evolved and Juniper Junos OS - CVE-2023-36839

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Main Vulnerability Database Vulnerabilities #VU82091

Improper validation of specified quantity in input in Junos OS Evolved and Juniper Junos OS - CVE-2023-36839

Published: October 17, 2023


Vulnerability identifier: #VU82091
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-36839
CWE-ID:
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Junos OS Evolved
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

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

The vulnerability exists due to improper validation of specified quantity in input in the layer-2 control protocols daemon (l2cpd). A remote attacker on the local network can send specially crafted LLDP packet to the affected device to perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links