usn-5628-1
Vulnerability from osv_ubuntu
Published
2022-09-22 13:38
Modified
2026-04-27 14:11
Summary
etcd vulnerabilities
Details

It was discovered that etcd incorrectly handled certain specially crafted WAL files. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-15106, CVE-2020-15112)

It was discovered that etcd incorrectly handled directory permissions when trying to create a directory that exists already. An attacker could possibly use this issue to obtain sensitive information. (CVE-2020-15113)

It was discovered that etcd incorrectly handled endpoint setup. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-15114)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-15106",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-15112",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-15113",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-15114",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "etcd",
            "binary_version": "3.2.26+dfsg-6ubuntu0.1"
          },
          {
            "binary_name": "etcd-client",
            "binary_version": "3.2.26+dfsg-6ubuntu0.1"
          },
          {
            "binary_name": "etcd-server",
            "binary_version": "3.2.26+dfsg-6ubuntu0.1"
          },
          {
            "binary_name": "golang-etcd-server-dev",
            "binary_version": "3.2.26+dfsg-6ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "etcd",
        "purl": "pkg:deb/ubuntu/etcd@3.2.26+dfsg-6ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.26+dfsg-6ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.2.26+dfsg-3",
        "3.2.26+dfsg-4",
        "3.2.26+dfsg-6"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that etcd incorrectly handled certain specially crafted\nWAL files. An attacker could possibly use this issue to cause a denial of\nservice. (CVE-2020-15106, CVE-2020-15112)\n\nIt was discovered that etcd incorrectly handled directory permissions when\ntrying to create a directory that exists already. An attacker could\npossibly use this issue to obtain sensitive information. (CVE-2020-15113)\n\nIt was discovered that etcd incorrectly handled endpoint setup. An\nattacker could possibly use this issue to cause a denial of\nservice. (CVE-2020-15114)\n",
  "id": "USN-5628-1",
  "modified": "2026-04-27T14:11:29Z",
  "published": "2022-09-22T13:38:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5628-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-15106"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-15112"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-15113"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-15114"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "etcd vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2020-15106",
    "UBUNTU-CVE-2020-15112",
    "UBUNTU-CVE-2020-15113",
    "UBUNTU-CVE-2020-15114"
  ]
}



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