gsd-2018-15919
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
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.'
Aliases
Aliases
CVE-2018-15919


To clipboard 

{
   GSD: {
      alias: "CVE-2018-15919",
      description: "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.'",
      id: "GSD-2018-15919",
      references: [
         "https://www.suse.com/security/cve/CVE-2018-15919.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2018-15919",
         ],
         details: "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.'",
         id: "GSD-2018-15919",
         modified: "2023-12-13T01:22:24.103154Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "cve@mitre.org",
            ID: "CVE-2018-15919",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "n/a",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "n/a",
                                    },
                                 ],
                              },
                           },
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                     },
                     vendor_name: "n/a",
                  },
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         data_type: "CVE",
         data_version: "4.0",
         description: {
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                  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 'We understand that the OpenSSH developers do not want to treat such a username enumeration (or \"oracle\") as a vulnerability.'",
               },
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         },
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         },
         references: {
            reference_data: [
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                  name: "https://security.netapp.com/advisory/ntap-20181221-0001/",
                  refsource: "CONFIRM",
                  url: "https://security.netapp.com/advisory/ntap-20181221-0001/",
               },
               {
                  name: "105163",
                  refsource: "BID",
                  url: "http://www.securityfocus.com/bid/105163",
               },
               {
                  name: "http://seclists.org/oss-sec/2018/q3/180",
                  refsource: "MISC",
                  url: "http://seclists.org/oss-sec/2018/q3/180",
               },
            ],
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndIncluding: "7.8",
                        versionStartIncluding: "5.9",
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:ontap_select_deploy:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:steelstore:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [
                     {
                        children: [],
                        cpe_match: [
                           {
                              cpe23Uri: "cpe:2.3:o:netapp:cn1610_firmware:-:*:*:*:*:*:*:*",
                              cpe_name: [],
                              vulnerable: true,
                           },
                        ],
                        operator: "OR",
                     },
                     {
                        children: [],
                        cpe_match: [
                           {
                              cpe23Uri: "cpe:2.3:h:netapp:cn1610:-:*:*:*:*:*:*:*",
                              cpe_name: [],
                              vulnerable: false,
                           },
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                        operator: "OR",
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                  cpe_match: [],
                  operator: "AND",
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         },
         cve: {
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               ID: "CVE-2018-15919",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     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 'We understand that the OpenSSH developers do not want to treat such a username enumeration (or \"oracle\") as a vulnerability.'",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-200",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "http://seclists.org/oss-sec/2018/q3/180",
                     refsource: "MISC",
                     tags: [
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                        "Patch",
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                     ],
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                  },
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                     ],
                     url: "http://www.securityfocus.com/bid/105163",
                  },
                  {
                     name: "https://security.netapp.com/advisory/ntap-20181221-0001/",
                     refsource: "CONFIRM",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://security.netapp.com/advisory/ntap-20181221-0001/",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "NONE",
                  baseScore: 5,
                  confidentialityImpact: "PARTIAL",
                  integrityImpact: "NONE",
                  vectorString: "AV:N/AC:L/Au:N/C:P/I:N/A:N",
                  version: "2.0",
               },
               exploitabilityScore: 10,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  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,
            },
         },
         lastModifiedDate: "2019-03-07T16:29Z",
         publishedDate: "2018-08-28T08:29Z",
      },
   },
}


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