ubuntu-cve-2021-32563
Vulnerability from osv_ubuntu
Published
2021-05-11 05:15
Modified
2026-04-22 07:40
Summary
Details

An issue was discovered in Thunar before 4.16.7 and 4.17.x before 4.17.2. When called with a regular file as a command-line argument, it delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution.

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": "libthunarx-2-0",
            "binary_version": "1.6.11-0ubuntu0.16.04.2"
          },
          {
            "binary_name": "thunar",
            "binary_version": "1.6.11-0ubuntu0.16.04.2"
          },
          {
            "binary_name": "thunar-data",
            "binary_version": "1.6.11-0ubuntu0.16.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "thunar",
        "purl": "pkg:deb/ubuntu/thunar@1.6.11-0ubuntu0.16.04.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.10-1",
        "1.6.10-2",
        "1.6.10-2ubuntu1",
        "1.6.11-0ubuntu0.16.04.1",
        "1.6.11-0ubuntu0.16.04.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libthunarx-2-0",
            "binary_version": "1.6.15-0ubuntu1.18.04.1"
          },
          {
            "binary_name": "thunar",
            "binary_version": "1.6.15-0ubuntu1.18.04.1"
          },
          {
            "binary_name": "thunar-data",
            "binary_version": "1.6.15-0ubuntu1.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "thunar",
        "purl": "pkg:deb/ubuntu/thunar@1.6.15-0ubuntu1.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.12-1",
        "1.6.13-1",
        "1.6.13-2",
        "1.6.14-1",
        "1.6.14-1ubuntu1",
        "1.6.15-0ubuntu1",
        "1.6.15-0ubuntu1.18.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libthunarx-3-0",
            "binary_version": "1.8.14-0ubuntu1"
          },
          {
            "binary_name": "thunar",
            "binary_version": "1.8.14-0ubuntu1"
          },
          {
            "binary_name": "thunar-data",
            "binary_version": "1.8.14-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "thunar",
        "purl": "pkg:deb/ubuntu/thunar@1.8.14-0ubuntu1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.8.9-1",
        "1.8.11-1",
        "1.8.12-1",
        "1.8.14-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in Thunar before 4.16.7 and 4.17.x before 4.17.2. When called with a regular file as a command-line argument, it delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution.",
  "id": "UBUNTU-CVE-2021-32563",
  "modified": "2026-04-22T07:40:03Z",
  "published": "2021-05-11T05:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-32563"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2021/05/09/2"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.xfce.org/xfce/thunar/-/tags"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.xfce.org/xfce/thunar/-/commit/9165a61f95e43cc0b5abf9b98eee2818a0191e0b"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.xfce.org/xfce/thunar/-/commit/3b54d9d7dbd7fd16235e2141c43a7f18718f5664"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2021/05/11/3"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-32563"
    }
  ],
  "related": [],
  "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-2021-32563"
  ]
}



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