Juniper Networks Junos OS Evolved prior 23.2R2-EVO Packet Forwarding Engine denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Juniper Networks Junos OS Evolved and classified as problematic. Affected is an unknown function of the component Packet Forwarding Engine. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2024-39513. Local access is required to approach this attack. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Juniper Networks Junos OS Evolved. This issue affects an unknown part of the component Packet Forwarding Engine. 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 summary by CVE is:

An Improper Input Validation vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved allows a local, low-privileged attacker to cause a Denial of Service (DoS). When a specific "clear" command is run, the Advanced Forwarding Toolkit manager (evo-aftmand-bt or evo-aftmand-zx) crashes and restarts. The crash impacts all traffic going through the FPCs, causing a DoS. Running the command repeatedly leads to a sustained DoS condition. This issue affects Junos OS Evolved:  * All versions before 20.4R3-S9-EVO,  * from 21.2-EVO before 21.2R3-S7-EVO,  * from 21.3-EVO before 21.3R3-S5-EVO,  * from 21.4-EVO before 21.4R3-S6-EVO,  * from 22.1-EVO before 22.1R3-S4-EVO,  * from 22.2-EVO before 22.2R3-S3-EVO,  * from 22.3-EVO before 22.3R3-S3-EVO,  * from 22.4-EVO before 22.4R3-EVO, * from 23.2-EVO before 23.2R2-EVO.

It is possible to read the advisory at supportportal.juniper.net. The identification of this vulnerability is CVE-2024-39513 since 06/25/2024. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 20.4R3-S9-EVO, 21.2R3-S7-EVO, 21.3R3-S5-EVO, 21.4R3-S6-EVO, 22.1R3-S4-EVO, 22.2R3-S3-EVO, 22.3R3-S3-EVO, 22.4R3-EVO or 23.2R2-EVO eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (juniper): 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Junos OS Evolved 20.4R3-S9-EVO/21.2R3-S7-EVO/21.3R3-S5-EVO/21.4R3-S6-EVO/22.1R3-S4-EVO/22.2R3-S3-EVO/22.3R3-S3-EVO/22.4R3-EVO/23.2R2-EVO

Timelineinfo

06/25/2024 🔍
07/11/2024 +16 days 🔍
07/11/2024 +0 days 🔍
07/11/2024 +0 days 🔍

Sourcesinfo

Advisory: JSA82978
Status: Confirmed

CVE: CVE-2024-39513 (🔍)
GCVE (CVE): GCVE-0-2024-39513
GCVE (VulDB): GCVE-100-271127

Entryinfo

Created: 07/11/2024 08:12
Updated: 07/11/2024 12:49
Changes: 07/11/2024 08:12 (78), 07/11/2024 12:49 (2)
Complete: 🔍
Cache ID: 216::103

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