ubuntu-cve-2020-6104
Vulnerability from osv_ubuntu
Published
2020-10-15 15:15
Modified
2026-05-20 14:51
Summary
Details

An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.

Severity
4.4 (Medium)
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "f2fs-tools",
            "binary_version": "1.6.1-1"
          },
          {
            "binary_name": "libf2fs0",
            "binary_version": "1.6.1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "f2fs-tools",
        "purl": "pkg:deb/ubuntu/f2fs-tools@1.6.1-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.1-1",
        "1.6.0-1",
        "1.6.0-2",
        "1.6.1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "f2fs-tools",
            "binary_version": "1.11.0-1.1~18.04"
          },
          {
            "binary_name": "libf2fs-format4",
            "binary_version": "1.11.0-1.1~18.04"
          },
          {
            "binary_name": "libf2fs5",
            "binary_version": "1.11.0-1.1~18.04"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "f2fs-tools",
        "purl": "pkg:deb/ubuntu/f2fs-tools@1.11.0-1.1~18.04?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.7.0-1.1",
        "1.10.0-1",
        "1.11.0-1.1~18.04"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "f2fs-tools",
            "binary_version": "1.11.0-1.1ubuntu1"
          },
          {
            "binary_name": "libf2fs-format4",
            "binary_version": "1.11.0-1.1ubuntu1"
          },
          {
            "binary_name": "libf2fs5",
            "binary_version": "1.11.0-1.1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "f2fs-tools",
        "purl": "pkg:deb/ubuntu/f2fs-tools@1.11.0-1.1ubuntu1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.11.0-1.1",
        "1.11.0-1.1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "f2fs-tools",
            "binary_version": "1.14.0-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "f2fs-tools",
        "purl": "pkg:deb/ubuntu/f2fs-tools@1.14.0-2build1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.14.0-2build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "f2fs-tools",
            "binary_version": "1.16.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "f2fs-tools",
        "purl": "pkg:deb/ubuntu/f2fs-tools@1.16.0-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.16.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "f2fs-tools",
            "binary_version": "1.16.0-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "f2fs-tools",
        "purl": "pkg:deb/ubuntu/f2fs-tools@1.16.0-2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.16.0-1.1",
        "1.16.0-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "f2fs-tools",
            "binary_version": "1.16.0-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "f2fs-tools",
        "purl": "pkg:deb/ubuntu/f2fs-tools@1.16.0-2build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.16.0-2",
        "1.16.0-2build1"
      ]
    }
  ],
  "aliases": [],
  "details": "An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.",
  "id": "UBUNTU-CVE-2020-6104",
  "modified": "2026-05-20T14:51:57Z",
  "published": "2020-10-15T15:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-6104"
    },
    {
      "type": "REPORT",
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1046"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-6104"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-6104"
  ]
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.