Juniper Junos OS prior 20.3R1/20.3R3-S3/20.4R3-S2/21.1R1/21.2R2-S1 on QFX5000/MX Packet Forwarding Engine null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Juniper Junos OS on QFX5000/MX (Router Operating System). It has been rated as critical. This issue affects some unknown processing of the component Packet Forwarding Engine. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:
A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and MX Series allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS). On QFX5K Series and MX Series, when the PFE receives a specific VxLAN packet the Layer 2 Address Learning Manager (L2ALM) process will crash leading to an FPC reboot. Continued receipt of this specific packet will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on QFX5000 Series, MX Series: 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2; 21.2 versions prior to 21.2R2-S1. This issue does not affect Juniper Networks Junos OS: All versions prior to 20.3R1; 21.1 version 21.1R1 and later versions.
The weakness was presented 07/21/2022 as JSA69714. It is possible to read the advisory at kb.juniper.net. The identification of this vulnerability is CVE-2022-22210 since 12/21/2021. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 20.3R1, 20.3R3-S3, 20.4R3-S2, 21.1R1 or 21.2R2-S1 eliminates this vulnerability.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB 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.): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Junos OS 20.3R1/20.3R3-S3/20.4R3-S2/21.1R1/21.2R2-S1
Timeline
12/21/2021 🔍07/21/2022 🔍
07/21/2022 🔍
07/21/2022 🔍
Sources
Vendor: juniper.netAdvisory: JSA69714
Status: Confirmed
CVE: CVE-2022-22210 (🔍)
Entry
Created: 07/21/2022 05:34Changes: 07/21/2022 05:34 (52)
Complete: 🔍
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