gsd-2017-15906
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.
Aliases
Aliases



{
   GSD: {
      alias: "CVE-2017-15906",
      description: "The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.",
      id: "GSD-2017-15906",
      references: [
         "https://www.suse.com/security/cve/CVE-2017-15906.html",
         "https://access.redhat.com/errata/RHSA-2018:0980",
         "https://ubuntu.com/security/CVE-2017-15906",
         "https://advisories.mageia.org/CVE-2017-15906.html",
         "https://alas.aws.amazon.com/cve/html/CVE-2017-15906.html",
         "https://linux.oracle.com/cve/CVE-2017-15906.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2017-15906",
         ],
         details: "The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.",
         id: "GSD-2017-15906",
         modified: "2023-12-13T01:20:59.443862Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "cve@mitre.org",
            ID: "CVE-2017-15906",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "n/a",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "n/a",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "n/a",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "n/a",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://www.openssh.com/txt/release-7.6",
                  refsource: "CONFIRM",
                  url: "https://www.openssh.com/txt/release-7.6",
               },
               {
                  name: "101552",
                  refsource: "BID",
                  url: "http://www.securityfocus.com/bid/101552",
               },
               {
                  name: "https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19",
                  refsource: "CONFIRM",
                  url: "https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19",
               },
               {
                  name: "GLSA-201801-05",
                  refsource: "GENTOO",
                  url: "https://security.gentoo.org/glsa/201801-05",
               },
               {
                  name: "https://security.netapp.com/advisory/ntap-20180423-0004/",
                  refsource: "CONFIRM",
                  url: "https://security.netapp.com/advisory/ntap-20180423-0004/",
               },
               {
                  name: "RHSA-2018:0980",
                  refsource: "REDHAT",
                  url: "https://access.redhat.com/errata/RHSA-2018:0980",
               },
               {
                  name: "[debian-lts-announce] 20180910 [SECURITY] [DLA 1500-1] openssh security update",
                  refsource: "MLIST",
                  url: "https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html",
               },
               {
                  name: "https://www.oracle.com/security-alerts/cpujan2020.html",
                  refsource: "MISC",
                  url: "https://www.oracle.com/security-alerts/cpujan2020.html",
               },
               {
                  name: "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
                  refsource: "CONFIRM",
                  url: "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
               },
            ],
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "7.6",
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                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:sun_zfs_storage_appliance_kit:8.8.6:*:*:*:*:*:*:*",
                        cpe_name: [],
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                  operator: "OR",
               },
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                  ],
                  operator: "OR",
               },
               {
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                  cpe_match: [
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                        cpe_name: [],
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                     },
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                        cpe_name: [],
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                     {
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                     {
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                     {
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                     {
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                        cpe_name: [],
                        versionStartIncluding: "9.7",
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                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:storage_replication_adapter_for_clustered_data_ontap:*:*:*:*:*:vmware_vsphere:*:*",
                        cpe_name: [],
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                     },
                     {
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                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionStartIncluding: "9.7",
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndIncluding: "6.2",
                        versionStartIncluding: "6.0",
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:virtual_storage_console:9.6:*:*:*:*:vmware_vsphere:*:*",
                        cpe_name: [],
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                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [
                     {
                        children: [],
                        cpe_match: [
                           {
                              cpe23Uri: "cpe:2.3:o:netapp:cn1610_firmware:-:*:*:*:*:*:*:*",
                              cpe_name: [],
                              vulnerable: true,
                           },
                        ],
                        operator: "OR",
                     },
                     {
                        children: [],
                        cpe_match: [
                           {
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                              cpe_name: [],
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                        ],
                        operator: "OR",
                     },
                  ],
                  cpe_match: [],
                  operator: "AND",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*",
                        cpe_name: [],
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                     {
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                        cpe_name: [],
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                     {
                        cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
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                        cpe_name: [],
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                     },
                     {
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                        cpe_name: [],
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         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2017-15906",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-732",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://www.openssh.com/txt/release-7.6",
                     refsource: "CONFIRM",
                     tags: [
                        "Release Notes",
                        "Vendor Advisory",
                     ],
                     url: "https://www.openssh.com/txt/release-7.6",
                  },
                  {
                     name: "https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19",
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                     url: "https://github.com/openbsd/src/commit/a6981567e8e215acc1ef690c8dbb30f2d9b00a19",
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                  {
                     name: "[debian-lts-announce] 20180910 [SECURITY] [DLA 1500-1] openssh security update",
                     refsource: "MLIST",
                     tags: [
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                     url: "https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html",
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                     name: "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
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                     tags: [],
                     url: "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
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         },
         impact: {
            baseMetricV2: {
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "NONE",
                  baseScore: 5,
                  confidentialityImpact: "NONE",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:N/AC:L/Au:N/C:N/I:P/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: "NONE",
                  integrityImpact: "LOW",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  version: "3.1",
               },
               exploitabilityScore: 3.9,
               impactScore: 1.4,
            },
         },
         lastModifiedDate: "2022-12-13T12:15Z",
         publishedDate: "2017-10-26T03:29Z",
      },
   },
}


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