fkie_cve-2018-0056
Vulnerability from fkie_nvd
Published
2018-10-10 18:29
Modified
2024-11-21 03:37
Severity ?
6.5 (Medium) - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.3 (Medium) - CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
If a duplicate MAC address is learned by two different interfaces on an MX Series device, the MAC address learning function correctly flaps between the interfaces. However, the Layer 2 Address Learning Daemon (L2ALD) daemon might crash when attempting to delete the duplicate MAC address when the particular entry is not found in the internal MAC address table. This issue only occurs on MX Series devices with l2-backhaul VPN configured. No other products or platforms are affected by this issue. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S1 on MX Series; 16.1 versions prior to 16.1R4-S12, 16.1R6-S6 on MX Series; 16.2 versions prior to 16.2R2-S7 on MX Series; 17.1 versions prior to 17.1R2-S9 on MX Series; 17.2 versions prior to 17.2R1-S7, 17.2R2-S6 on MX Series; 17.3 versions prior to 17.3R2-S4, 17.3R3-S1 on MX Series; 17.4 versions prior to 17.4R1-S5 on MX Series; 18.1 versions prior to 18.1R2 on MX Series.
References
sirt@juniper.nethttp://www.securitytracker.com/id/1041857Third Party Advisory, VDB Entry
sirt@juniper.nethttps://kb.juniper.net/JSA10890Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1041857Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://kb.juniper.net/JSA10890Vendor Advisory
Impacted products
Vendor Product Version
juniper junos 15.1
juniper junos 15.1
juniper junos 15.1
juniper junos 15.1
juniper junos 15.1
juniper junos 15.1
juniper junos 15.1
juniper junos 15.1
juniper junos 15.1
juniper junos 15.1
juniper junos 15.1
juniper junos 15.1
juniper junos 16.1
juniper junos 16.1
juniper junos 16.1
juniper junos 16.1
juniper junos 16.2
juniper junos 16.2
juniper junos 17.1
juniper junos 17.1
juniper junos 17.2
juniper junos 17.3
juniper junos 17.3
juniper junos 17.4
juniper junos 17.4
juniper junos 18.1
juniper junos 18.1


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "If a duplicate MAC address is learned by two different interfaces on an MX Series device, the MAC address learning function correctly flaps between the interfaces. However, the Layer 2 Address Learning Daemon (L2ALD) daemon might crash when attempting to delete the duplicate MAC address when the particular entry is not found in the internal MAC address table. This issue only occurs on MX Series devices with l2-backhaul VPN configured. No other products or platforms are affected by this issue. Affected releases are Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S1 on MX Series; 16.1 versions prior to 16.1R4-S12, 16.1R6-S6 on MX Series; 16.2 versions prior to 16.2R2-S7 on MX Series; 17.1 versions prior to 17.1R2-S9 on MX Series; 17.2 versions prior to 17.2R1-S7, 17.2R2-S6 on MX Series; 17.3 versions prior to 17.3R2-S4, 17.3R3-S1 on MX Series; 17.4 versions prior to 17.4R1-S5 on MX Series; 18.1 versions prior to 18.1R2 on MX Series."
    },
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      "value": "Si una direcci\u00f3n MAC duplicada es aprendida por dos interfaces diferentes en un dispositivo MX Series, la funci\u00f3n de aprendizaje de direcciones MAC realiza flaps correctamente entre las interfaces. Sin embargo, el demonio L2ALD (Layer 2 Address Learning Daemon) podr\u00eda cerrarse inesperadamente al intentar eliminar la direcci\u00f3n MAC duplicada cuando esa entrada en concreto no se encuentra en la tabla interna de direcciones MAC. Este problema solo ocurre en los dispositivos MX Series con la VPN l2-backhaul configurada. No hay ning\u00fan otro producto o plataforma que se vea afectado por este problema. Las versiones afectadas de Juniper Networks Junos OS son: 15.1 en versiones anteriores a la 15.1R7-S1 en MX Series; 16.1 en versiones anteriores a la 16.1R4-S12, 16.1R6-S6 en MX Series; 16.2 en versiones anteriores a la 16.2R2-S7 en MX Series; 17.1 en versiones anteriores a la 17.1R2-S9 en MX Series; 17.2 en versiones anteriores a la 17.2R1-S7, 17.2R2-S6 en MX Series; 17.3 en versiones anteriores a la 17.3R2-S4, 17.3R3-S1 en MX Series; 17.4 en versiones anteriores a la 17.4R1-S5 en MX Series y 18.1 en versiones anteriores a la 18.1R2 en MX Series."
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  "id": "CVE-2018-0056",
  "lastModified": "2024-11-21T03:37:28.597",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 2.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
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        "obtainAllPrivilege": false,
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          "attackVector": "ADJACENT_NETWORK",
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          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
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          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "type": "Secondary"
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          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
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        "exploitabilityScore": 1.6,
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        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2018-10-10T18:29:02.873",
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    {
      "source": "sirt@juniper.net",
      "tags": [
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        "VDB Entry"
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  "sourceIdentifier": "sirt@juniper.net",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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