Juniper Junos OS prior 20.3R1 Flexible PIC Concentrator memory leak

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Juniper Junos OS. The affected element is an unknown function of the component Flexible PIC Concentrator. The manipulation leads to memory leak. This vulnerability is referenced as CVE-2022-22155. The attack needs to be initiated within the local network. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos OS (Router Operating System) and classified as critical. This issue affects an unknown functionality of the component Flexible PIC Concentrator. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability.

The weakness was published 01/17/2022 as JSA11263. The advisory is shared at kb.juniper.net. The identification of this vulnerability is CVE-2022-22155. Neither technical details nor an exploit are publicly available.

Upgrading to version 18.4R3-S10, 19.1R3-S5, 19.2R1-S8, 19.2R3-S2, 19.3R2-S6, 19.3R3-S2, 19.4R1-S3, 19.4R2-S2, 19.4R3, 20.1R2, 20.2R1-S1, 20.2R2 or 20.3R1 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Router Operating System

Vendor

Juniper

Name

Junos OS

License

commercial

Website

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

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

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

CNA Base Score: 6.5
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / 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 18.4R3-S10/19.1R3-S5/19.2R1-S8/19.2R3-S2/19.3R2-S6/19.3R3-S2/19.4R1-S3/19.4R2-S2/19.4R3/20.1R2/20.2R1-S1/20.2R2/20.3R1

Timelineinfo

12/21/2021 🔍
01/17/2022 +27 days 🔍
01/17/2022 +0 days 🔍
01/20/2022 +3 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA11263
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-22155 (🔍)
GCVE (CVE): GCVE-0-2022-22155
GCVE (VulDB): GCVE-100-190625

Entryinfo

Created: 01/17/2022 18:11
Updated: 01/20/2022 08:27
Changes: 01/17/2022 18:11 (39), 01/20/2022 08:23 (3), 01/20/2022 08:27 (11)
Complete: 🔍
Cache ID: 216::103