Junos OS and Junos OS Evolved: An l2cpd crash will occur when specific LLDP packets are received (Juniper Networks Junos OS)

CVE-2023-36839
MEDIUM 6.5

En bref

Source
NVD
EPSS
EPSS 0.30 % · centile 23 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
juniper
Statut NVD
Modified

Description

An Improper Validation of Specified Quantity in Input vulnerability in the Layer-2 control protocols daemon (l2cpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker who sends specific LLDP packets to cause a Denial of Service(DoS). This issue occurs when specific LLDP packets are received and telemetry polling is being done on the device. The impact of the l2cpd crash is reinitialization of STP protocols (RSTP, MSTP or VSTP), and MVRP and ERP. Also, if any services depend on LLDP state (like PoE or VoIP device recognition), then these will also be affected. This issue affects: Juniper Networks Junos OS * All versions prior to 20.4R3-S8; * 21.1 version 21.1R1 and later versions; * 21.2 versions prior to 21.2R3-S5; * 21.3 versions prior to 21.3R3-S4; * 21.4 versions prior to 21.4R3-S3; * 22.1 versions prior to 22.1R3-S2; * 22.2 versions prior to 22.2R3; * 22.3 versions prior to 22.3R2-S2; * 22.4 versions prior to 22.4R2; Juniper Networks Junos OS Evolved * All versions prior to 20.4R3-S8-EVO; * 21.1 version 21.1R1-EVO and later versions; * 21.2 versions prior to 21.2R3-S5-EVO; * 21.3 versions prior to 21.3R3-S4-EVO; * 21.4 versions prior to 21.4R3-S3-EVO; * 22.1 versions prior to 22.1R3-S2-EVO; * 22.2 versions prior to 22.2R3-EVO; * 22.3 versions prior to 22.3R2-S2-EVO; * 22.4 versions prior to 22.4R1-S1-EVO;

Faiblesses (CWE)

  • CWE-1284 — Validation incorrecte d'une quantité spécifiée en entrée

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · sirt@juniper.net (Secondary)
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Juniper Networks · Junos OSaffected 0 < 20.4R3-S8 ; affected 21.1R1 < 21.1* ; affected 21.2 < 21.2R3-S5 ; affected 21.3 < 21.3R3-S4 ; affected 21.4 < 21.4R3-S3 ; affected 22.1 < 22.1R3-S2
Juniper Networks · Junos OS Evolvedaffected 0 < 20.4R3-S8-EVO ; affected 21.1R1-EVO < 21.1*-EVO ; affected 21.2-EVO < 21.2R3-S5-EVO ; affected 21.3-EVO < 21.3R3-S4-EVO ; affected 21.4-EVO < 21.4R3-S3-EVO ; affected 22.1-EVO < 22.1R3-S2-EVO

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD