FKIE_CVE-2023-44192

Vulnerability from fkie_nvd - Published: 2023-10-13 00:15 - Updated: 2024-11-21 08:25
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An Improper Input Validation vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause memory leak, leading to Denial of Service (DoS). On all Junos OS QFX5000 Series platforms, when pseudo-VTEP (Virtual Tunnel End Point) is configured under EVPN-VXLAN scenario, and specific DHCP packets are transmitted, DMA memory leak is observed. Continuous receipt of these specific DHCP packets will cause memory leak to reach 99% and then cause the protocols to stop working and traffic is impacted, leading to Denial of Service (DoS) condition. A manual reboot of the system recovers from the memory leak. To confirm the memory leak, monitor for "sheaf:possible leak" and "vtep not found" messages in the logs. This issue affects: Juniper Networks Junos OS QFX5000 Series: * All versions prior to 20.4R3-S6; * 21.1 versions prior to 21.1R3-S5; * 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 22.2R2-S2, 22.2R3; * 22.3 versions prior to 22.3R2-S1, 22.3R3; * 22.4 versions prior to 22.4R1-S2, 22.4R2.
References
sirt@juniper.nethttps://supportportal.juniper.net/JSA73156Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://supportportal.juniper.net/JSA73156Vendor Advisory
Impacted products
Vendor Product Version
juniper junos *
juniper junos 20.4
juniper junos 20.4
juniper junos 20.4
juniper junos 20.4
juniper junos 20.4
juniper junos 20.4
juniper junos 20.4
juniper junos 20.4
juniper junos 20.4
juniper junos 20.4
juniper junos 20.4
juniper junos 20.4
juniper junos 21.1
juniper junos 21.1
juniper junos 21.1
juniper junos 21.1
juniper junos 21.1
juniper junos 21.1
juniper junos 21.1
juniper junos 21.1
juniper junos 21.1
juniper junos 21.1
juniper junos 21.1
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.2
juniper junos 21.3
juniper junos 21.3
juniper junos 21.3
juniper junos 21.3
juniper junos 21.3
juniper junos 21.3
juniper junos 21.3
juniper junos 21.3
juniper junos 21.3
juniper junos 21.3
juniper junos 21.3
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 21.4
juniper junos 22.1
juniper junos 22.1
juniper junos 22.1
juniper junos 22.1
juniper junos 22.1
juniper junos 22.1
juniper junos 22.1
juniper junos 22.1
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.2
juniper junos 22.3
juniper junos 22.3
juniper junos 22.3
juniper junos 22.3
juniper junos 22.3
juniper junos 22.4
juniper junos 22.4
juniper qfk5110 -
juniper qfk5120 -
juniper qfk5130 -
juniper qfk5200 -
juniper qfk5210 -
juniper qfk5220 -
juniper qfk5230 -
juniper qfk5700 -
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "\nAn Improper Input Validation vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause memory leak, leading to Denial of Service (DoS).\n\nOn all Junos OS QFX5000 Series platforms, when pseudo-VTEP (Virtual Tunnel End Point) is configured under EVPN-VXLAN scenario, and specific DHCP packets are transmitted, DMA memory leak is observed. Continuous receipt of these specific DHCP packets will cause memory leak to reach 99% and then cause the protocols to stop working and traffic is impacted, leading to Denial of Service (DoS) condition. A manual reboot of the system recovers from the memory leak.\n\nTo confirm the memory leak, monitor for \"sheaf:possible leak\" and \"vtep not found\" messages in the logs.\n\nThis issue affects:\n\nJuniper Networks Junos OS QFX5000 Series:\n\n\n\n  *  All versions prior to 20.4R3-S6;\n  *  21.1 versions prior to 21.1R3-S5;\n  *  21.2 versions prior to 21.2R3-S5;\n  *  21.3 versions prior to 21.3R3-S4;\n  *  21.4 versions prior to 21.4R3-S3;\n  *  22.1 versions prior to 22.1R3-S2;\n  *  22.2 versions prior to 22.2R2-S2, 22.2R3;\n  *  22.3 versions prior to 22.3R2-S1, 22.3R3;\n  *  22.4 versions prior to 22.4R1-S2, 22.4R2.\n\n\n\n\n\n\n"
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de validaci\u00f3n de entrada incorrecta en Packet Forwarding Engine (PFE) de Juniper Networks Junos OS permite que un atacante basado en red no autenticado cause una p\u00e9rdida de memoria, lo que lleva a una Denegaci\u00f3n de Servicio (DoS). En todas las plataformas de la serie Junos OS QFX5000, cuando se configura pseudo-VTEP (Virtual Tunnel End Point) en el escenario EVPN-VXLAN y se transmiten paquetes DHCP espec\u00edficos, se observa una p\u00e9rdida de memoria DMA. La recepci\u00f3n continua de estos paquetes DHCP espec\u00edficos provocar\u00e1 que la p\u00e9rdida de memoria alcance el 99 % y luego har\u00e1 que los protocolos dejen de funcionar y el tr\u00e1fico se vea afectado, lo que provocar\u00e1 una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS). Un reinicio manual del sistema se recupera de la p\u00e9rdida de memoria. Para confirmar la p\u00e9rdida de memoria, controle los mensajes \"sheaf:possible leak\" y \"vtep not found\" en los registros. Este problema afecta a: Juniper Networks Junos OS QFX5000 Series: * Todas las versiones anteriores a 20.4R3-S6; * Versiones 21.1 anteriores a 21.1R3-S5; * Versiones 21.2 anteriores a 21.2R3-S5; * Versiones 21.3 anteriores a 21.3R3-S4; * Versiones 21.4 anteriores a 21.4R3-S3; * Versiones 22.1 anteriores a 22.1R3-S2; * Versiones 22.2 anteriores a 22.2R2-S2, 22.2R3; * Versiones 22.3 anteriores a 22.3R2-S1, 22.3R3; * Versiones 22.4 anteriores a 22.4R1-S2, 22.4R2."
    }
  ],
  "id": "CVE-2023-44192",
  "lastModified": "2024-11-21T08:25:24.727",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "sirt@juniper.net",
        "type": "Secondary"
      },
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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    ]
  },
  "published": "2023-10-13T00:15:12.297",
  "references": [
    {
      "source": "sirt@juniper.net",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://supportportal.juniper.net/JSA73156"
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
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          "value": "CWE-20"
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      ],
      "source": "sirt@juniper.net",
      "type": "Secondary"
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          "value": "CWE-401"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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.