An Improper Check for Unusual or Exceptional Conditions vulnerability in the the IKE daemon (iked) of Juniper Networks Junos OS on SRX Series, MX Series with SPC3 and NFX350 allows allows an unauthenticated, network-based attacker sending specific mismatching parameters as part of the IPsec negotiation to trigger an iked crash leading to Denial of Service (DoS). This issue is applicable to all platforms that run iked. This issue affects Junos OS on SRX Series, MX Series with SPC3 and NFX350: * All versions before 21.2R3-S8, * from 21.4 before 21.4R3-S7, * from 22.1 before 22.1R3-S2, * from 22.2 before 22.2R3-S1, * from 22.3 before 22.3R2-S1, 22.3R3, * from 22.4 before 22.4R1-S2, 22.4R2, 22.4R3.
| Métrique | Valeur | Interprétation |
|---|---|---|
|
AV (Vecteur d'Attaque)
Attack Vector
|
Network (N)
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Exploit possible à distance via réseau (HTTP, API, etc.) |
|
AC (Complexité d'Attaque)
Attack Complexity
|
Low (L)
|
Peu de conditions requises pour exploiter |
|
PR (Privilèges Requis)
Privileges Required
|
None (N)
|
Aucune authentification requise |
|
UI (Interaction Utilisateur)
User Interaction
|
None (N)
|
Aucune interaction utilisateur nécessaire |
|
S (Périmètre)
Scope
|
Unchanged (U)
|
Impact reste dans le périmètre du composant compromis |
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C (Impact Confidentialité)
Confidentiality Impact
|
None (N)
|
Aucune divulgation d'informations |
|
I (Impact Intégrité)
Integrity Impact
|
None (N)
|
Aucune modification de données possible |
|
A (Impact Disponibilité)
Availability Impact
|
High (H)
|
Interruption totale du service possible |