CVE-2018-0006 (GCVE-0-2018-0006)

Vulnerability from cvelistv5 – Published: 2018-01-10 22:00 – Updated: 2024-09-17 01:20
VLAI?
Summary
A high rate of VLAN authentication attempts sent from an adjacent host on the local broadcast domain can trigger high memory utilization by the BBE subscriber management daemon (bbe-smgd), and lead to a denial of service condition. The issue was caused by attempting to process an unbounded number of pending VLAN authentication requests, leading to excessive memory allocation. This issue only affects devices configured for DHCPv4/v6 over AE auto-sensed VLANs, utilized in Broadband Edge (BBE) deployments. Other configurations are unaffected by this issue. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R6-S2, 15.1R7; 16.1 versions prior to 16.1R5-S1, 16.1R6; 16.2 versions prior to 16.2R2-S2, 16.2R3; 17.1 versions prior to 17.1R2-S5, 17.1R3; 17.2 versions prior to 17.2R2.
Severity ?
6.5 (Medium)
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • Denial of service
Assigner
References
http://www.securitytracker.com/id/1040184 vdb-entryx_refsource_SECTRACK
https://kb.juniper.net/JSA10834 x_refsource_CONFIRM
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 15.1 , < 15.1R6-S2, 15.1R7 (custom)
Affected: 16.1 , < 16.1R5-S1, 16.1R6 (custom)
Affected: 16.2 , < 16.2R2-S2, 16.2R3 (custom)
Affected: 17.1 , < 17.1R2-S5, 17.1R3 (custom)
Affected: 17.2 , < 17.2R2 (custom)
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Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R6-S2, 15.1R7; 16.1 versions prior to 16.1R5-S1, 16.1R6; 16.2 versions prior to 16.2R2-S2, 16.2R3; 17.1 versions prior to 17.1R2-S5, 17.1R3; 17.2 versions prior to 17.2R2.\"},{\"lang\":\"es\",\"value\":\"Una alta tasa de intentos de autenticaci\u00f3n VLAN enviados desde un host adyacente en el dominio de difusi\u00f3n local podr\u00eda provocar que bbe-smgd (BBE subscriber management daemon) utilice una gran cantidad de memoria y provoque una denegaci\u00f3n de servicio (DoS). El problema se produjo al intentar procesar un n\u00famero ilimitado de peticiones de autenticaci\u00f3n VLAN pendientes, provocando una asignaci\u00f3n excesiva de memoria. Este problema solo afecta a dispositivos configurados para DHCPv4/v6 en VLAN AE con sensores autom\u00e1ticos, utilizados en despliegues BBE (Broadband Edge). Otras configuraciones no se ven afectadas por este problema. Las distribuciones afectadas son Juniper Networks Junos OS: 15.1 en versiones anteriores a 15.1R6-S2, 15.1R7; 16.1 en versiones anteriores a 16.1R5-S1, 16.1R6; 16.2 en versiones anteriores a 16.2R2-S2, 16.2R3; 17.1 en versiones anteriores a 17.1R2-S5, 17.1R3; 17.2 en versiones anteriores a 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  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.