Description

An Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS).

On all Junos OS QFX5000 Series and EX4000 Series platforms, when a high number of VLANs are configured, a specific DHCP packet will cause PFE hogging which will lead to dropping of socket connections.

This issue affects:

Juniper Networks Junos OS on QFX5000 Series and EX4000 Series



* 21.1 versions prior to 21.1R3-S5;
* 21.2 versions prior to 21.2R3-S5;
* 21.3 versions prior to 21.3R3-S5;
* 21.4 versions prior to 21.4R3-S4;
* 22.1 versions prior to 22.1R3-S3;
* 22.2 versions prior to 22.2R3-S1;
* 22.3 versions prior to 22.3R2-S2, 22.3R3;
* 22.4 versions prior to 22.4R2.




This issue does not affect Juniper Networks Junos OS versions prior to 21.1R1



Published: 2023-10-12
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: Junos OS 21.2R3-S5, 21.3R3-S5, 21.4R3-S4, 22.1R3-S3, 22.2R3-S1, 22.3R2-S2, 22.3R3, 22.4R2, 23.2R1, and all subsequent releases.


Vendor Workaround

There are no known workarounds for this issue.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2023-48550 An Allocation of Resources Without Limits or Throttling vulnerability in Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause Denial of Service (DoS). On all Junos OS QFX5000 Series and EX4000 Series platforms, when a high number of VLANs are configured, a specific DHCP packet will cause PFE hogging which will lead to dropping of socket connections. This issue affects: Juniper Networks Junos OS on QFX5000 Series and EX4000 Series * 21.1 versions prior to 21.1R3-S5; * 21.2 versions prior to 21.2R3-S5; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S4; * 22.1 versions prior to 22.1R3-S3; * 22.2 versions prior to 22.2R3-S1; * 22.3 versions prior to 22.3R2-S2, 22.3R3; * 22.4 versions prior to 22.4R2. This issue does not affect Juniper Networks Junos OS versions prior to 21.1R1
References
History

Thu, 19 Sep 2024 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Juniper Networks
Juniper Networks junos Os
CPEs cpe:2.3:o:juniper_networks:junos_os:*:*:*:*:*:*:*:*
Vendors & Products Juniper Networks
Juniper Networks junos Os
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Juniper Ex2300 Ex2300-c Ex2300 Multigigabit Ex3400 Ex4100 Ex4100-f Ex4100 Multigigabit Ex4300 Ex4300 Multigigabit Ex4400 Ex4400-24x Ex4400 Multigigabit Ex4600 Ex4650 Ex9200 Ex9250 Junos Qfk5110 Qfk5120 Qfk5130 Qfk5200 Qfk5210 Qfk5220 Qfk5230 Qfk5700
Juniper Networks Junos Os
cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published:

Updated: 2024-09-19T14:14:17.438Z

Reserved: 2023-09-26T19:30:27.953Z

Link: CVE-2023-44191

cve-icon Vulnrichment

Updated: 2024-08-02T19:59:51.578Z

cve-icon NVD

Status : Modified

Published: 2023-10-13T00:15:12.220

Modified: 2024-11-21T08:25:24.570

Link: CVE-2023-44191

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses