ubuntu-cve-2021-33516
Vulnerability from osv_ubuntu
Published
2021-05-24 15:15
Modified
2026-04-22 07:40
Summary
Details

An issue was discovered in GUPnP before 1.0.7 and 1.1.x and 1.2.x before 1.2.5. It allows DNS rebinding. A remote web server can exploit this vulnerability to trick a victim's browser into triggering actions against local UPnP services implemented using this library. Depending on the affected service, this could be used for data exfiltration, data tempering, etc.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-gupnp-1.0",
            "binary_version": "0.20.16-1"
          },
          {
            "binary_name": "libgupnp-1.0-4",
            "binary_version": "0.20.16-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "gupnp",
        "purl": "pkg:deb/ubuntu/gupnp@0.20.16-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.20.14-1",
        "0.20.15-1",
        "0.20.15-1ubuntu1",
        "0.20.16-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-gupnp-1.0",
            "binary_version": "1.0.2-2"
          },
          {
            "binary_name": "libgupnp-1.0-4",
            "binary_version": "1.0.2-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "gupnp",
        "purl": "pkg:deb/ubuntu/gupnp@1.0.2-2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.1-1",
        "1.0.2-1",
        "1.0.2-2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-gupnp-1.2",
            "binary_version": "1.2.3-0ubuntu0.20.04.2"
          },
          {
            "binary_name": "libgupnp-1.2-0",
            "binary_version": "1.2.3-0ubuntu0.20.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "gupnp",
        "purl": "pkg:deb/ubuntu/gupnp@1.2.3-0ubuntu0.20.04.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.2.3-0ubuntu0.20.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.1-1",
        "1.2.1-2",
        "1.2.2-1",
        "1.2.3-0ubuntu0.20.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in GUPnP before 1.0.7 and 1.1.x and 1.2.x before 1.2.5. It allows DNS rebinding. A remote web server can exploit this vulnerability to trick a victim\u0027s browser into triggering actions against local UPnP services implemented using this library. Depending on the affected service, this could be used for data exfiltration, data tempering, etc.",
  "id": "UBUNTU-CVE-2021-33516",
  "modified": "2026-04-22T07:40:04Z",
  "published": "2021-05-24T15:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-33516"
    },
    {
      "type": "REPORT",
      "url": "https://discourse.gnome.org/t/security-relevant-releases-for-gupnp-issue-cve-2021-33516/6536"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.gnome.org/GNOME/gupnp/-/issues/24"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4970-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-33516"
    }
  ],
  "related": [
    "USN-4970-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-33516"
  ]
}



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