ghsa-6f7q-j62j-5545
Vulnerability from github
Published
2022-05-13 01:28
Modified
2025-04-26 00:30
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details

A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0.

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{
  "affected": [],
  "aliases": [
    "CVE-2018-5733"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-01-16T20:29:00Z",
    "severity": "HIGH"
  },
  "details": "A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -\u003e 4.1-ESV-R15, 4.2.0 -\u003e 4.2.8, 4.3.0 -\u003e 4.3.6, 4.4.0.",
  "id": "GHSA-6f7q-j62j-5545",
  "modified": "2025-04-26T00:30:23Z",
  "published": "2022-05-13T01:28:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-5733"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:0469"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:0483"
    },
    {
      "type": "WEB",
      "url": "https://kb.isc.org/docs/aa-01567"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20250425-0010"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3586-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3586-2"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4133"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/103188"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1040437"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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