Juniper Junos OS up to 21.2 jdhcpd denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Juniper Junos OS up to 21.2. Impacted is an unknown function of the component jdhcpd. The manipulation leads to denial of service. This vulnerability is traded as CVE-2022-22176. Access to the local network is required for this attack to succeed. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos OS up to 21.2 (Router Operating System) and classified as critical. This issue affects some unknown processing of the component jdhcpd. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was shared 01/19/2022 as JSA11282. It is possible to read the advisory at kb.juniper.net. The identification of this vulnerability is CVE-2022-22176 since 12/21/2021. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 15.1R7-S11, 18.3R3-S6, 18.4R2-S9, 18.4R3-S10, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S4, 19.3R2-S7, 19.3R3-S4, 19.4R3-S6, 20.1R3-S3, 20.2R3-S3, 20.3R3-S1, 20.4R3, 21.1R2-S1, 21.1R3, 21.2R1-S1, 21.2R2 or 21.3R1 eliminates this vulnerability.

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Productinfo

Type

• Router Operating System

Vendor

• Juniper

Name

• Junos OS

Version

• 15.1
• 18.3
• 18.4
• 19.1
• 19.2
• 19.3
• 19.4
• 20.1
• 20.2
• 20.3
• 20.4
• 21.1
• 21.2

License

• commercial

Website

• Vendor: https://www.juniper.net/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.4
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 🔍

Upgrade: Junos OS 15.1R7-S11/18.3R3-S6/18.4R2-S9/18.4R3-S10/19.1R2-S3/19.1R3-S7/19.2R1-S8/19.2R3-S4/19.3R2-S7/19.3R3-S4/19.4R3-S6/20.1R3-S3/20.2R3-S3/20.3R3-S1/20.4R3/21.1R2-S1/21.1R3/21.2R1-S1/21.2R2/21.3R1

Timelineinfo

12/21/2021 🔍
01/19/2022 +29 days 🔍
01/19/2022 +0 days 🔍
01/20/2022 +1 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA11282
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-22176 (🔍)
GCVE (CVE): GCVE-0-2022-22176
GCVE (VulDB): GCVE-100-190679

Entryinfo

Created: 01/19/2022 08:11
Updated: 01/20/2022 13:11
Changes: 01/19/2022 08:11 (51), 01/20/2022 13:11 (2)
Complete: 🔍
Cache ID: 216::103

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