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USN-6431-1 (UBUNTU-CVE-2023-38403)

Vulnerability from osv_ubuntu – Published: 2023-10-16 12:49 – Updated: 2026-06-25 10:46 – Source website
VLAI
Summary
iperf3 vulnerabilities
Details

It was discovered that iperf3 did not properly manage certain inputs, which could lead to a crash. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-38403)

Jorge Sancho Larraz discovered that iperf3 did not properly manage certain inputs, which could cause the server process to stop responding, waiting for input on the control connection. A remote attacker could possibly use this issue to cause a denial of service. (LP: #2038654)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-38403",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "iperf3",
            "binary_version": "3.0.11-1ubuntu0.1~esm2"
          },
          {
            "binary_name": "libiperf0",
            "binary_version": "3.0.11-1ubuntu0.1~esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "iperf3",
        "purl": "pkg:deb/ubuntu/iperf3@3.0.11-1ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.11-1ubuntu0.1~esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.11-1",
        "3.0.11-1ubuntu0.1~esm1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-38403",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "iperf3",
            "binary_version": "3.1.3-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libiperf0",
            "binary_version": "3.1.3-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "iperf3",
        "purl": "pkg:deb/ubuntu/iperf3@3.1.3-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.3-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.1.3-1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-38403",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "iperf3",
            "binary_version": "3.7-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "libiperf0",
            "binary_version": "3.7-3ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "iperf3",
        "purl": "pkg:deb/ubuntu/iperf3@3.7-3ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.7-3ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6-2",
        "3.7-1",
        "3.7-2",
        "3.7-3"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that iperf3 did not properly manage certain inputs, \nwhich could lead to a crash. A remote attacker could possibly use this\nissue to cause a denial of service. (CVE-2023-38403)\n\nJorge Sancho Larraz discovered that iperf3 did not properly manage certain\ninputs, which could cause the server process to stop responding, waiting \nfor input on the control connection. A remote attacker could possibly use\nthis issue to cause a denial of service. (LP: #2038654) \n",
  "id": "USN-6431-1",
  "modified": "2026-06-25T10:46:16Z",
  "published": "2023-10-16T12:49:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6431-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-38403"
    },
    {
      "type": "REPORT",
      "url": "https://launchpad.net/bugs/2038654"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "iperf3 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2023-38403"
  ]
}



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