ubuntu-cve-2020-20145
Vulnerability from osv_ubuntu
Published
2023-08-22 19:16
Modified
2025-07-08 10:40
Summary
Details

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2019-14834. Reason: This candidate is a reservation duplicate of CVE-2019-14834. Notes: All CVE users should reference CVE-2019-14834 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.

Severity
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "dnsmasq",
        "purl": "pkg:deb/ubuntu/dnsmasq@2.68-1ubuntu0.2+esm2?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.66-4ubuntu1",
        "2.67-1",
        "2.68-1",
        "2.68-1ubuntu0.1",
        "2.68-1ubuntu0.2",
        "2.68-1ubuntu0.2+esm1",
        "2.68-1ubuntu0.2+esm2"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "dnsmasq",
        "purl": "pkg:deb/ubuntu/dnsmasq@2.90-0ubuntu0.16.04.1+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.75-1",
        "2.75-1ubuntu0.16.04.1",
        "2.75-1ubuntu0.16.04.2",
        "2.75-1ubuntu0.16.04.3",
        "2.75-1ubuntu0.16.04.4",
        "2.75-1ubuntu0.16.04.5",
        "2.75-1ubuntu0.16.04.7",
        "2.75-1ubuntu0.16.04.8",
        "2.75-1ubuntu0.16.04.10",
        "2.75-1ubuntu0.16.04.10+esm1",
        "2.79-1ubuntu0.16.04.1+esm1",
        "2.79-1ubuntu0.16.04.1+esm2",
        "2.90-0ubuntu0.16.04.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "dnsmasq",
        "purl": "pkg:deb/ubuntu/dnsmasq@2.90-0ubuntu0.18.04.1+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.78-1",
        "2.78-3",
        "2.79-1",
        "2.79-1ubuntu0.2",
        "2.79-1ubuntu0.3",
        "2.79-1ubuntu0.4",
        "2.79-1ubuntu0.5",
        "2.79-1ubuntu0.6",
        "2.79-1ubuntu0.7",
        "2.90-0ubuntu0.18.04.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "dnsmasq",
        "purl": "pkg:deb/ubuntu/dnsmasq@2.90-0ubuntu0.20.04.1?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.80-1ubuntu2",
        "2.80-1ubuntu4",
        "2.80-1.1ubuntu1",
        "2.80-1.1ubuntu1.2",
        "2.80-1.1ubuntu1.3",
        "2.80-1.1ubuntu1.4",
        "2.80-1.1ubuntu1.5",
        "2.80-1.1ubuntu1.6",
        "2.80-1.1ubuntu1.7",
        "2.90-0ubuntu0.20.04.1"
      ]
    },
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "dnsmasq",
        "purl": "pkg:deb/ubuntu/dnsmasq@2.90-0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.85-1ubuntu2",
        "2.86-1.1",
        "2.86-1.1ubuntu0.1",
        "2.86-1.1ubuntu0.2",
        "2.86-1.1ubuntu0.3",
        "2.86-1.1ubuntu0.4",
        "2.86-1.1ubuntu0.5",
        "2.90-0ubuntu0.22.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2019-14834. Reason: This candidate is a reservation duplicate of CVE-2019-14834. Notes: All CVE users should reference CVE-2019-14834 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.",
  "id": "UBUNTU-CVE-2020-20145",
  "modified": "2025-07-08T10:40:39Z",
  "published": "2023-08-22T19:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-20145"
    },
    {
      "type": "REPORT",
      "url": "http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=69bc94779c2f035a9fffdb5327a54c3aeca73ed5"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-20145"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-20145"
  ],
  "withdrawn": "2025-07-08T10:45:39Z"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.