gsd-2017-17450
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.
Aliases
Aliases
CVE-2017-17450


To clipboard 

{
   GSD: {
      alias: "CVE-2017-17450",
      description: "net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.",
      id: "GSD-2017-17450",
      references: [
         "https://www.suse.com/security/cve/CVE-2017-17450.html",
         "https://www.debian.org/security/2018/dsa-4082",
         "https://www.debian.org/security/2017/dsa-4073",
         "https://ubuntu.com/security/CVE-2017-17450",
         "https://security.archlinux.org/CVE-2017-17450",
         "https://alas.aws.amazon.com/cve/html/CVE-2017-17450.html",
         "https://linux.oracle.com/cve/CVE-2017-17450.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2017-17450",
         ],
         details: "net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.",
         id: "GSD-2017-17450",
         modified: "2023-12-13T01:21:04.670704Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
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            ASSIGNER: "cve@mitre.org",
            ID: "CVE-2017-17450",
            STATE: "PUBLIC",
         },
         affects: {
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               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "n/a",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "n/a",
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               {
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                  url: "https://usn.ubuntu.com/3619-1/",
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      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndIncluding: "4.14.4",
                        vulnerable: true,
                     },
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                  operator: "OR",
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                  },
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            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
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                           value: "CWE-862",
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                     name: "https://lkml.org/lkml/2017/12/5/982",
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                     refsource: "UBUNTU",
                     tags: [],
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         },
         impact: {
            baseMetricV2: {
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "LOCAL",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 4.6,
                  confidentialityImpact: "PARTIAL",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:L/AC:L/Au:N/C:P/I:P/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 3.9,
               impactScore: 6.4,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 7.8,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "LOW",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.0",
               },
               exploitabilityScore: 1.8,
               impactScore: 5.9,
            },
         },
         lastModifiedDate: "2019-10-03T00:03Z",
         publishedDate: "2017-12-07T00:29Z",
      },
   },
}


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