ghsa-5wr7-vvgp-w64f
Vulnerability from github
Published
2022-05-13 01:44
Modified
2022-05-13 01:44
Severity ?
7.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.

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{
   affected: [],
   aliases: [
      "CVE-2017-17450",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-862",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2017-12-07T00:29:00Z",
      severity: "HIGH",
   },
   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: "GHSA-5wr7-vvgp-w64f",
   modified: "2022-05-13T01:44:24Z",
   published: "2022-05-13T01:44:24Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2017-17450",
      },
      {
         type: "WEB",
         url: "https://lkml.org/lkml/2017/12/5/982",
      },
      {
         type: "WEB",
         url: "https://usn.ubuntu.com/3583-1",
      },
      {
         type: "WEB",
         url: "https://usn.ubuntu.com/3583-2",
      },
      {
         type: "WEB",
         url: "https://usn.ubuntu.com/3617-1",
      },
      {
         type: "WEB",
         url: "https://usn.ubuntu.com/3617-2",
      },
      {
         type: "WEB",
         url: "https://usn.ubuntu.com/3617-3",
      },
      {
         type: "WEB",
         url: "https://usn.ubuntu.com/3619-1",
      },
      {
         type: "WEB",
         url: "https://usn.ubuntu.com/3619-2",
      },
      {
         type: "WEB",
         url: "https://usn.ubuntu.com/3632-1",
      },
      {
         type: "WEB",
         url: "https://www.debian.org/security/2017/dsa-4073",
      },
      {
         type: "WEB",
         url: "https://www.debian.org/security/2018/dsa-4082",
      },
      {
         type: "WEB",
         url: "http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html",
      },
      {
         type: "WEB",
         url: "http://www.securityfocus.com/bid/102110",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
         type: "CVSS_V3",
      },
   ],
}


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