Juniper Junos OS on SRX Packet Forwarding Engine unchecked return value to null pointer dereference

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Juniper Junos OS on SRX. This affects an unknown function of the component Packet Forwarding Engine. Executing a manipulation can lead to unchecked return value to null pointer dereference. This vulnerability is registered as CVE-2022-22231. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Juniper Junos OS on SRX (Router Operating System) (version unknown). It has been declared as critical. This vulnerability affects an unknown function of the component Packet Forwarding Engine. The manipulation with an unknown input leads to a unchecked return value to null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-690. The product does not check for an error after calling a function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference. As an impact it is known to affect availability. CVE summarizes:

An Unchecked Return Value to NULL Pointer Dereference vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On SRX Series if Unified Threat Management (UTM) Enhanced Content Filtering (CF) and AntiVirus (AV) are enabled together and the system processes specific valid transit traffic the Packet Forwarding Engine (PFE) will crash and restart. This issue affects Juniper Networks Junos OS 21.4 versions prior to 21.4R1-S2, 21.4R2 on SRX Series. This issue does not affect Juniper Networks Junos OS versions prior to 21.4R1.

The weakness was published 10/18/2022 as JSA69885. The advisory is shared for download at kb.juniper.net. This vulnerability was named CVE-2022-22231 since 12/21/2021. 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: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Unchecked return value to null pointer dereference
CWE: CWE-690 / CWE-395
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/21/2021 🔍
10/18/2022 +300 days 🔍
10/18/2022 +0 days 🔍
10/18/2022 +0 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA69885
Status: Confirmed

CVE: CVE-2022-22231 (🔍)
GCVE (CVE): GCVE-0-2022-22231
GCVE (VulDB): GCVE-100-211120

Entryinfo

Created: 10/18/2022 09:10
Changes: 10/18/2022 09:10 (51)
Complete: 🔍
Cache ID: 216::103