CVE-2024-30378 (GCVE-0-2024-30378)

Vulnerability from cvelistv5 – Published: 2024-04-16 20:03 – Updated: 2024-08-02 01:32
VLAI?
Title
Junos OS: MX Series: bbe-smgd process crash upon execution of specific CLI commands
Summary
A Use After Free vulnerability in command processing of Juniper Networks Junos OS on MX Series allows a local, authenticated attacker to cause the broadband edge service manager daemon (bbe-smgd) to crash upon execution of specific CLI commands, creating a Denial of Service (DoS) condition.  The process crashes and restarts automatically. When specific CLI commands are executed, the bbe-smgd daemon attempts to write into an area of memory (mgd socket) that was already closed, causing the process to crash.  This process manages and controls the configuration of broadband subscriber sessions and services.  While the process is unavailable, additional subscribers will not be able to connect to the device, causing a temporary Denial of Service condition. This issue only occurs if Graceful Routing Engine Switchover (GRES) and Subscriber Management are enabled. This issue affects Junos OS: * All versions before 20.4R3-S5, * from 21.1 before 21.1R3-S4, * from 21.2 before 21.2R3-S3, * from 21.3 before 21.3R3-S5, * from 21.4 before 21.4R3-S5, * from 22.1 before 22.1R3, * from 22.2 before 22.2R3, * from 22.3 before 22.3R2;
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.9 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
CWE
  • CWE-416 - Use After Free
  • Denial of Service (DoS)
Assigner
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 0 , < 20.4R3-S5 (semver)
Affected: 21.1 , < 21.1R3-S4 (semver)
Affected: 21.2 , < 21.2R3-S3 (semver)
Affected: 21.3 , < 21.3R3-S5 (semver)
Affected: 21.4 , < 21.4R3-S5 (semver)
Affected: 22.1 , < 22.1R3 (semver)
Affected: 22.2 , < 22.2R3 (semver)
Affected: 22.3 , < 22.3R2 (semver)
Create a notification for this product.
Date Public ?
2024-04-10 16:00
Show details on NVD website
To clipboard 

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El proceso falla y se reinicia autom\u00e1ticamente. Cuando se ejecutan comandos CLI espec\u00edficos, el demonio bbe-smgd intenta escribir en un \u00e1rea de la memoria (socket mgd) que ya estaba cerrada, lo que provoca que el proceso falle. Este proceso gestiona y controla la configuraci\u00f3n de las sesiones y servicios de los suscriptores de banda ancha. Mientras el proceso no est\u00e9 disponible, los suscriptores adicionales no podr\u00e1n conectarse al dispositivo, lo que provocar\u00e1 una condici\u00f3n temporal de denegaci\u00f3n de servicio. Este problema solo ocurre si est\u00e1n habilitados Graceful Routing Engine Switchover (GRES) y Subscriber Management. Este problema afecta a Junos OS: * Todas las versiones anteriores a 20.4R3-S5, * desde 21.1 anterior a 21.1R3-S4, * desde 21.2 anterior a 21.2R3-S3, * desde 21.3 anterior a 21.3R3-S5, * desde 21.4 anterior a 21.4R3-S5 , * desde 22.1 antes de 22.1R3, * desde 22.2 antes de 22.2R3, * desde 22.3 antes de 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\"configurations\": [{\"lang\": \"en\", \"value\": \"Subscriber Services (Broadband Edge) and GRES must be enabled to be vulnerable to this issue:\\n \\n [edit system services]\\nsubscriber-management enable; \\n\\n [edit chassis redundancy]\\ngraceful-switchover;\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Subscriber Services (Broadband Edge) and GRES must be enabled to be vulnerable to this issue:\u003cbr\u003e \u003cbr\u003e \u003ctt\u003e[edit system services]\u003cbr\u003esubscriber-management enable; \u003cbr\u003e\u003cbr\u003e [edit chassis redundancy]\u003cbr\u003egraceful-switchover;\u003c/tt\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"shortName\": \"juniper\", \"dateUpdated\": \"2024-05-16T17:55:20.345Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-30378\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-02T01:32:07.268Z\", \"dateReserved\": \"2024-03-26T23:06:12.473Z\", \"assignerOrgId\": \"8cbe9d5a-a066-4c94-8978-4b15efeae968\", \"datePublished\": \"2024-04-16T20:03:56.292Z\", \"assignerShortName\": \"juniper\"}",
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    }
  }
}


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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.