usn-5371-3
Vulnerability from osv_ubuntu
Published
2022-10-07 13:05
Modified
2026-06-25 10:46
Summary
nginx vulnerability
Details

USN-5371-1 and USN-5371-2 fixed several vulnerabilities in nginx. This update provides the corresponding update for CVE-2020-11724 for Ubuntu 16.04 ESM.

Original advisory 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-2020-11724",
              "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"
                }
              ]
            }
          ],
          "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+esm4"
          },
          {
            "binary_name": "nginx-common",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
          },
          {
            "binary_name": "nginx-core",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
          },
          {
            "binary_name": "nginx-extras",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
          },
          {
            "binary_name": "nginx-full",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
          },
          {
            "binary_name": "nginx-light",
            "binary_version": "1.10.3-0ubuntu0.16.04.5+esm4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "nginx",
        "purl": "pkg:deb/ubuntu/nginx@1.10.3-0ubuntu0.16.04.5+esm4?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.10.3-0ubuntu0.16.04.5+esm4"
            }
          ],
          "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",
        "1.10.3-0ubuntu0.16.04.5+esm3"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-5371-1 and USN-5371-2 fixed several vulnerabilities in nginx.\nThis update provides the corresponding update for CVE-2020-11724\nfor Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that nginx Lua module mishandled certain inputs.\n An attacker could possibly use this issue to perform an HTTP Request\n Smuggling attack. This issue was fixed for Ubuntu 18.04 LTS and\n Ubuntu 20.04 LTS. (CVE-2020-11724)\n \n It was discovered that nginx Lua module mishandled certain inputs.\n An attacker could possibly use this issue to disclose sensitive\n information. This issue only affects Ubuntu 18.04 LTS and\n Ubuntu 20.04 LTS. (CVE-2020-36309)\n \n It was discovered that nginx mishandled the use of \n compatible certificates among multiple encryption protocols. \n If a remote attacker were able to intercept the communication, \n this issue could be used to redirect traffic between subdomains.\n (CVE-2021-3618)\n",
  "id": "USN-5371-3",
  "modified": "2026-06-25T10:46:05Z",
  "published": "2022-10-07T13:05:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5371-3"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-11724"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "nginx vulnerability",
  "upstream": [
    "UBUNTU-CVE-2020-11724"
  ]
}



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