ubuntu-cve-2021-31879
Vulnerability from osv_ubuntu
Published
2021-04-29 05:15
Modified
2026-07-14 21:14
Summary
Details

GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect to a different origin, a related issue to CVE-2018-1000007.

Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "wget",
            "binary_version": "1.15-1ubuntu1.14.04.5+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "wget",
        "purl": "pkg:deb/ubuntu/wget@1.15-1ubuntu1.14.04.5+esm2?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.14-2ubuntu1",
        "1.14-5ubuntu1",
        "1.15-1ubuntu1",
        "1.15-1ubuntu1.14.04.1",
        "1.15-1ubuntu1.14.04.2",
        "1.15-1ubuntu1.14.04.3",
        "1.15-1ubuntu1.14.04.4",
        "1.15-1ubuntu1.14.04.5",
        "1.15-1ubuntu1.14.04.5+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "wget",
            "binary_version": "1.17.1-1ubuntu1.5+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "wget",
        "purl": "pkg:deb/ubuntu/wget@1.17.1-1ubuntu1.5+esm3?arch=source\u0026distro=esm-infra-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.16.1-1ubuntu1",
        "1.17.1-1ubuntu1",
        "1.17.1-1ubuntu1.1",
        "1.17.1-1ubuntu1.2",
        "1.17.1-1ubuntu1.3",
        "1.17.1-1ubuntu1.4",
        "1.17.1-1ubuntu1.5",
        "1.17.1-1ubuntu1.5+esm1",
        "1.17.1-1ubuntu1.5+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "wget",
            "binary_version": "1.19.4-1ubuntu2.2+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "wget",
        "purl": "pkg:deb/ubuntu/wget@1.19.4-1ubuntu2.2+esm3?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.19.1-3ubuntu1",
        "1.19.1-3ubuntu1.1",
        "1.19.2-1ubuntu1",
        "1.19.3-2ubuntu1",
        "1.19.4-1ubuntu2",
        "1.19.4-1ubuntu2.1",
        "1.19.4-1ubuntu2.2",
        "1.19.4-1ubuntu2.2+esm1",
        "1.19.4-1ubuntu2.2+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "wget",
            "binary_version": "1.20.3-1ubuntu2.1+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "wget",
        "purl": "pkg:deb/ubuntu/wget@1.20.3-1ubuntu2.1+esm2?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.20.3-1ubuntu1",
        "1.20.3-1ubuntu2",
        "1.20.3-1ubuntu2.1",
        "1.20.3-1ubuntu2.1+esm2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "wget",
            "binary_version": "1.21.2-2ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "wget",
        "purl": "pkg:deb/ubuntu/wget@1.21.2-2ubuntu1.3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.21-1ubuntu3",
        "1.21-1ubuntu4",
        "1.21-1ubuntu5",
        "1.21.2-2ubuntu1",
        "1.21.2-2ubuntu1.1",
        "1.21.2-2ubuntu1.3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "wget",
            "binary_version": "1.21.4-1ubuntu4.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "wget",
        "purl": "pkg:deb/ubuntu/wget@1.21.4-1ubuntu4.3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.21.3-1ubuntu1",
        "1.21.4-1ubuntu1",
        "1.21.4-1ubuntu2",
        "1.21.4-1ubuntu3",
        "1.21.4-1ubuntu4",
        "1.21.4-1ubuntu4.1",
        "1.21.4-1ubuntu4.3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "wget",
            "binary_version": "1.25.0-2ubuntu3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "wget",
        "purl": "pkg:deb/ubuntu/wget@1.25.0-2ubuntu3?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.24.5-2ubuntu1",
        "1.25.0-2ubuntu1",
        "1.25.0-2ubuntu2",
        "1.25.0-2ubuntu3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "wget",
            "binary_version": "1.25.0-2ubuntu4.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "wget",
        "purl": "pkg:deb/ubuntu/wget@1.25.0-2ubuntu4.2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.25.0-2ubuntu3",
        "1.25.0-2ubuntu4",
        "1.25.0-2ubuntu4.2"
      ]
    }
  ],
  "aliases": [],
  "details": "GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect to a different origin, a related issue to CVE-2018-1000007.",
  "id": "UBUNTU-CVE-2021-31879",
  "modified": "2026-07-14T21:14:33Z",
  "published": "2021-04-29T05:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-31879"
    },
    {
      "type": "REPORT",
      "url": "https://mail.gnu.org/archive/html/bug-wget/2021-02/msg00002.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-31879"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-31879"
  ]
}



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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

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.