ubuntu-cve-2020-24379
Vulnerability from osv_ubuntu
Published
2020-09-09 19:15
Modified
2025-10-24 04:48
Summary
Details

WebDAV implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to XXE injection.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "erlang-yapp",
            "binary_version": "2.0.2-1"
          },
          {
            "binary_name": "erlang-yaws",
            "binary_version": "2.0.2-1"
          },
          {
            "binary_name": "yaws",
            "binary_version": "2.0.2-1"
          },
          {
            "binary_name": "yaws-chat",
            "binary_version": "2.0.2-1"
          },
          {
            "binary_name": "yaws-mail",
            "binary_version": "2.0.2-1"
          },
          {
            "binary_name": "yaws-wiki",
            "binary_version": "2.0.2-1"
          },
          {
            "binary_name": "yaws-yapp",
            "binary_version": "2.0.2-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "yaws",
        "purl": "pkg:deb/ubuntu/yaws@2.0.2-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.98-5",
        "1.99-1",
        "1.99-2",
        "2.0.2-1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "erlang-yapp",
            "binary_version": "2.0.4+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "erlang-yaws",
            "binary_version": "2.0.4+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "yaws",
            "binary_version": "2.0.4+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "yaws-chat",
            "binary_version": "2.0.4+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "yaws-mail",
            "binary_version": "2.0.4+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "yaws-wiki",
            "binary_version": "2.0.4+dfsg-2ubuntu0.1"
          },
          {
            "binary_name": "yaws-yapp",
            "binary_version": "2.0.4+dfsg-2ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "yaws",
        "purl": "pkg:deb/ubuntu/yaws@2.0.4+dfsg-2ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.4+dfsg-2ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.4+dfsg-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "erlang-yapp",
            "binary_version": "2.0.7+dfsg-1"
          },
          {
            "binary_name": "erlang-yaws",
            "binary_version": "2.0.7+dfsg-1"
          },
          {
            "binary_name": "yaws",
            "binary_version": "2.0.7+dfsg-1"
          },
          {
            "binary_name": "yaws-chat",
            "binary_version": "2.0.7+dfsg-1"
          },
          {
            "binary_name": "yaws-mail",
            "binary_version": "2.0.7+dfsg-1"
          },
          {
            "binary_name": "yaws-wiki",
            "binary_version": "2.0.7+dfsg-1"
          },
          {
            "binary_name": "yaws-yapp",
            "binary_version": "2.0.7+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "yaws",
        "purl": "pkg:deb/ubuntu/yaws@2.0.7+dfsg-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.6+dfsg-1",
        "2.0.6+dfsg-3",
        "2.0.7+dfsg-1"
      ]
    }
  ],
  "aliases": [],
  "details": "WebDAV implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to XXE injection.",
  "id": "UBUNTU-CVE-2020-24379",
  "modified": "2025-10-24T04:48:40Z",
  "published": "2020-09-09T19:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-24379"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/erlyaws/yaws/commit/05a06345012598f5da55dbb4d041c8dc26e88e6c"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/vulnbe/poc-yaws-dav-xxe"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4569-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-24379"
    }
  ],
  "related": [
    "USN-4569-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-24379"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.