fkie_cve-2018-15919
Vulnerability from fkie_nvd
Published
2018-08-28 08:29
Modified
2024-11-21 03:51
Severity ?
5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states 'We understand that the OpenSSH developers do not want to treat such a username enumeration (or "oracle") as a vulnerability.'
References
cve@mitre.orghttp://seclists.org/oss-sec/2018/q3/180Mailing List, Patch, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/105163Third Party Advisory, VDB Entry
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20181221-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/oss-sec/2018/q3/180Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/105163Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20181221-0001/Third Party Advisory
Impacted products
Vendor Product Version
openbsd openssh *
netapp cloud_backup -
netapp data_ontap_edge -
netapp ontap_select_deploy -
netapp steelstore -
netapp cn1610_firmware -
netapp cn1610 -


To clipboard 

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              "matchCriteriaId": "D5FCBB28-0F8D-4779-9E70-42168F6E8205",
              "versionEndIncluding": "7.8",
              "versionStartIncluding": "5.9",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
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              "vulnerable": true
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states \u0027We understand that the OpenSSH developers do not want to treat such a username enumeration (or \"oracle\") as a vulnerability.\u0027"
    },
    {
      "lang": "es",
      "value": "Un comportamiento observable de forma remota en auth-gss2.c en OpenSSH hasta la versi\u00f3n 7.8 podr\u00eda ser empleado por atacantes remotos para detectar la existencia de usuarios en un sistema objetivo cuando se est\u00e1 empleando GSS2. NOTA: el descubridor indica que \"entendemos que los desarrolladores de OpenSSH no quieran tratar tal listado de nombres de usuario (u \"or\u00e1culo\") como una vulnerabilidad\"."
    }
  ],
  "id": "CVE-2018-15919",
  "lastModified": "2024-11-21T03:51:43.110",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-08-28T08:29:00.207",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://seclists.org/oss-sec/2018/q3/180"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/105163"
    },
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      "tags": [
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Patch",
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      "url": "http://seclists.org/oss-sec/2018/q3/180"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.netapp.com/advisory/ntap-20181221-0001/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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