usn-5371-1
Vulnerability from osv_ubuntu
Published
2022-04-12 15:48
Modified
2026-06-25 10:46
Summary
nginx vulnerabilities
Details

It was discovered that nginx Lua module mishandled certain inputs. An attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue was fixed for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-11724)

It was discovered that nginx Lua module mishandled certain inputs. An attacker could possibly use this issue to disclose sensitive information. This issue only affects Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-36309)

It was discovered that nginx mishandled the use of compatible certificates among multiple encryption protocols. If a remote attacker were able to intercept the communication, this issue could be used to redirect traffic between subdomains. (CVE-2021-3618)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-36309",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3618",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "nginx",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
          },
          {
            "binary_name": "nginx-common",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
          },
          {
            "binary_name": "nginx-core",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
          },
          {
            "binary_name": "nginx-extras",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
          },
          {
            "binary_name": "nginx-full",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
          },
          {
            "binary_name": "nginx-light",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "nginx",
        "purl": "pkg:deb/ubuntu/nginx@1.10.3-0ubuntu0.16.04.5+esm3?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.10.3-0ubuntu0.16.04.5+esm3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.3-1ubuntu1",
        "1.9.6-2ubuntu1",
        "1.9.6-2ubuntu2",
        "1.9.9-0ubuntu1",
        "1.9.9-1ubuntu1",
        "1.9.10-0ubuntu1",
        "1.9.10-1ubuntu1",
        "1.9.11-0ubuntu1",
        "1.9.11-0ubuntu2",
        "1.9.12-0ubuntu1",
        "1.9.13-0ubuntu1",
        "1.9.14-0ubuntu1",
        "1.9.15-0ubuntu1",
        "1.10.0-0ubuntu0.16.04.1",
        "1.10.0-0ubuntu0.16.04.2",
        "1.10.0-0ubuntu0.16.04.3",
        "1.10.0-0ubuntu0.16.04.4",
        "1.10.3-0ubuntu0.16.04.1",
        "1.10.3-0ubuntu0.16.04.2",
        "1.10.3-0ubuntu0.16.04.3",
        "1.10.3-0ubuntu0.16.04.4",
        "1.10.3-0ubuntu0.16.04.5",
        "1.10.3-0ubuntu0.16.04.5+esm1",
        "1.10.3-0ubuntu0.16.04.5+esm2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-11724",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-36309",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3618",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libnginx-mod-http-auth-pam",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-cache-purge",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-dav-ext",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-echo",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-fancyindex",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-geoip",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-headers-more-filter",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-image-filter",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-lua",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-ndk",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-perl",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-subs-filter",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-uploadprogress",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-upstream-fair",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-http-xslt-filter",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-mail",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-nchan",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-rtmp",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "libnginx-mod-stream",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "nginx",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "nginx-common",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "nginx-core",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "nginx-extras",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "nginx-full",
            "binary_version": "1.14.0-0ubuntu1.10"
          },
          {
            "binary_name": "nginx-light",
            "binary_version": "1.14.0-0ubuntu1.10"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "nginx",
        "purl": "pkg:deb/ubuntu/nginx@1.14.0-0ubuntu1.10?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.14.0-0ubuntu1.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.12.1-0ubuntu2",
        "1.13.6-2ubuntu1",
        "1.13.6-2ubuntu2",
        "1.13.10-1ubuntu1",
        "1.13.12-0ubuntu1",
        "1.14.0-0ubuntu1",
        "1.14.0-0ubuntu1.1",
        "1.14.0-0ubuntu1.2",
        "1.14.0-0ubuntu1.3",
        "1.14.0-0ubuntu1.4",
        "1.14.0-0ubuntu1.5",
        "1.14.0-0ubuntu1.6",
        "1.14.0-0ubuntu1.7",
        "1.14.0-0ubuntu1.9"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-11724",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-36309",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3618",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libnginx-mod-http-auth-pam",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-cache-purge",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-dav-ext",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-echo",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-fancyindex",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-geoip",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-geoip2",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-headers-more-filter",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-image-filter",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-lua",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-ndk",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-perl",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-subs-filter",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-uploadprogress",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-upstream-fair",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-http-xslt-filter",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-mail",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-nchan",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-rtmp",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "libnginx-mod-stream",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "nginx",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "nginx-common",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "nginx-core",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "nginx-extras",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "nginx-full",
            "binary_version": "1.18.0-0ubuntu1.3"
          },
          {
            "binary_name": "nginx-light",
            "binary_version": "1.18.0-0ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "nginx",
        "purl": "pkg:deb/ubuntu/nginx@1.18.0-0ubuntu1.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.18.0-0ubuntu1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.16.1-0ubuntu2",
        "1.16.1-0ubuntu3",
        "1.17.5-0ubuntu1",
        "1.17.6-0ubuntu1",
        "1.17.7-0ubuntu1",
        "1.17.8-0ubuntu1",
        "1.17.8-0ubuntu2",
        "1.17.8-0ubuntu3",
        "1.17.9-0ubuntu1",
        "1.17.9-0ubuntu2",
        "1.17.9-0ubuntu3",
        "1.17.10-0ubuntu1",
        "1.18.0-0ubuntu1",
        "1.18.0-0ubuntu1.2"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that nginx Lua module mishandled certain inputs.\nAn attacker could possibly use this issue to perform an HTTP Request\nSmuggling attack. This issue was fixed for Ubuntu 18.04 LTS and\nUbuntu 20.04 LTS. (CVE-2020-11724)\n\nIt was discovered that nginx Lua module mishandled certain inputs.\nAn attacker could possibly use this issue to disclose sensitive\ninformation. This issue only affects Ubuntu 18.04 LTS and\nUbuntu 20.04 LTS. (CVE-2020-36309)\n\nIt was discovered that nginx mishandled the use of \ncompatible certificates among multiple encryption protocols. \nIf a remote attacker were able to intercept the communication, \nthis issue could be used to redirect traffic between subdomains.\n(CVE-2021-3618)\n",
  "id": "USN-5371-1",
  "modified": "2026-06-25T10:46:05Z",
  "published": "2022-04-12T15:48:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5371-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-11724"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-36309"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3618"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "nginx vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2020-11724",
    "UBUNTU-CVE-2020-36309",
    "UBUNTU-CVE-2021-3618"
  ]
}



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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.


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