Juniper Junos OS on PTX10003 MAC Address Validator origin validation

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5.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Juniper Junos OS on PTX10003. This impacts an unknown function of the component MAC Address Validator. Such manipulation leads to origin validation. This vulnerability is documented as CVE-2023-44189. The attack requires being on the local network. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Juniper Junos OS on PTX10003 (Router Operating System) (version unknown). Affected by this issue is an unknown function of the component MAC Address Validator. The manipulation with an unknown input leads to a origin validation vulnerability. Using CWE to declare the problem leads to CWE-346. The product does not properly verify that the source of data or communication is valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10003 Series allows a network-adjacent attacker to bypass MAC address checking, allowing MAC addresses not intended to reach the adjacent LAN to be forwarded to the downstream network. Due to this issue, the router will start forwarding traffic if a valid route is present in forwarding-table, causing a loop and congestion in the downstream layer-2 domain connected to the device. This issue affects Juniper Networks Junos OS Evolved on PTX10003 Series: * All versions prior to 21.4R3-S4-EVO; * 22.1 versions prior to 22.1R3-S3-EVO; * 22.2 version 22.2R1-EVO and later versions; * 22.3 versions prior to 22.3R2-S2-EVO, 22.3R3-S1-EVO; * 22.4 versions prior to 22.4R2-S1-EVO, 22.4R3-EVO; * 23.2 versions prior to 23.2R2-EVO.

The weakness was released 10/12/2023 as JSA73153. The advisory is shared for download at supportportal.juniper.net. This vulnerability is handled as CVE-2023-44189 since 09/26/2023. There are neither technical details nor an exploit publicly available.

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Productinfo

Type

Router Operating System

Vendor

Juniper

Name

Junos OS

License

commercial

Website

Vendor: https://www.juniper.net/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 6.1
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/26/2023 🔍
10/12/2023 +16 days 🔍
10/12/2023 +0 days 🔍
10/31/2023 +19 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA73153
Status: Confirmed

CVE: CVE-2023-44189 (🔍)
GCVE (CVE): GCVE-0-2023-44189
GCVE (VulDB): GCVE-100-241976

Entryinfo

Created: 10/12/2023 08:55
Updated: 10/31/2023 09:47
Changes: 10/12/2023 08:55 (50), 10/31/2023 09:47 (11)
Complete: 🔍
Cache ID: 216::103