GHSA-RWHW-R234-9P3M

Vulnerability from github – Published: 2022-05-13 01:13 – Updated: 2022-05-13 01:13
VLAI?
Details

The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "ssh_deletekeys: 0", disabling cloud-init's deletion of ssh host keys. In some environments, this could lead to instances created by cloning a golden master or template system, sharing ssh host keys, and being able to impersonate one another or conduct man-in-the-middle attacks.

Severity ?
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2018-10896"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-321"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-08-01T17:29:00Z",
    "severity": "HIGH"
  },
  "details": "The default cloud-init configuration, in cloud-init 0.6.2 and newer, included \"ssh_deletekeys: 0\", disabling cloud-init\u0027s deletion of ssh host keys. In some environments, this could lead to instances created by cloning a golden master or template system, sharing ssh host keys, and being able to impersonate one another or conduct man-in-the-middle attacks.",
  "id": "GHSA-rwhw-r234-9p3m",
  "modified": "2022-05-13T01:13:59Z",
  "published": "2022-05-13T01:13:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-10896"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2020:3050"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2020:3644"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2020:3898"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2018-10896"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/cloud-init/+bug/1781094"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1574338"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1598831"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10896"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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