Vulnerability-Lookup

GHSA-MXP6-GC8G-J2P9

Vulnerability from github – Published: 2023-10-04 06:30 – Updated: 2023-11-24 09:30

Details

This may permit a user with write access to files on a msdosfs filesystem to read unintended data (e.g. from a previously deleted file).

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2023-5368"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1188"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-10-04T04:15:14Z",
    "severity": "MODERATE"
  },
  "details": "On an msdosfs filesystem, the \u0027truncate\u0027 or \u0027ftruncate\u0027 system calls under certain circumstances populate the additional space in the file with unallocated data from the underlying disk device, rather than zero bytes.\n\nThis may permit a user with write access to files on a msdosfs filesystem to read unintended data (e.g. from a previously deleted file).",
  "id": "GHSA-mxp6-gc8g-j2p9",
  "modified": "2023-11-24T09:30:27Z",
  "published": "2023-10-04T06:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-5368"
    },
    {
      "type": "WEB",
      "url": "https://dfir.ru/2023/11/01/bringing-unallocated-data-back-the-fat12-16-32-case"
    },
    {
      "type": "WEB",
      "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-23:12.msdosfs.asc"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20231124-0004"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-5368 (GCVE-0-2023-5368)

Vulnerability from cvelistv5 – Published: 2023-10-04 03:38 – Updated: 2024-08-02 07:59

Title

msdosfs data disclosure

Summary

On an msdosfs filesystem, the 'truncate' or 'ftruncate' system calls under certain circumstances populate the additional space in the file with unallocated data from the underlying disk device, rather than zero bytes. This may permit a user with write access to files on a msdosfs filesystem to read unintended data (e.g. from a previously deleted file).

Severity

No CVSS data available.

CWE

CWE-1188 - Insecure Default Initialization of Resource

Assigner

freebsd

References

3 references

URL	Tags
https://security.FreeBSD.org/advisories/FreeBSD-S…	vendor-advisory
https://security.netapp.com/advisory/ntap-2023112…
https://dfir.ru/2023/11/01/bringing-unallocated-d…

Impacted products

1 product

Vendor	Product	Version
FreeBSD	FreeBSD	Affected: 13.2-RELEASE , < p4 (release) Affected: 12.4-RELEASE , < p6 (release)

Credits

Maxim Suhanov

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T07:59:43.658Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-23:12.msdosfs.asc"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20231124-0004/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://dfir.ru/2023/11/01/bringing-unallocated-data-back-the-fat12-16-32-case/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "modules": [
            "msdosfs"
          ],
          "product": "FreeBSD",
          "vendor": "FreeBSD",
          "versions": [
            {
              "lessThan": "p4",
              "status": "affected",
              "version": "13.2-RELEASE",
              "versionType": "release"
            },
            {
              "lessThan": "p6",
              "status": "affected",
              "version": "12.4-RELEASE",
              "versionType": "release"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Maxim Suhanov"
        }
      ],
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              "value": "\u003cp\u003eOn an msdosfs filesystem, the \u0027truncate\u0027 or \u0027ftruncate\u0027 system calls under certain circumstances populate the additional space in the file with unallocated data from the underlying disk device, rather than zero bytes.\u003c/p\u003e\u003cp\u003eThis may permit a user with write access to files on a msdosfs filesystem to read unintended data (e.g. from a previously deleted file).\u003c/p\u003e"
            }
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-1188",
              "description": "CWE-1188 Insecure Default Initialization of Resource",
              "lang": "en",
              "type": "CWE"
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-29T20:59:57.519Z",
        "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
        "shortName": "freebsd"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-23:12.msdosfs.asc"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20231124-0004/"
        },
        {
          "url": "https://dfir.ru/2023/11/01/bringing-unallocated-data-back-the-fat12-16-32-case/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "msdosfs data disclosure",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
    "assignerShortName": "freebsd",
    "cveId": "CVE-2023-5368",
    "datePublished": "2023-10-04T03:38:09.357Z",
    "dateReserved": "2023-10-03T21:14:20.733Z",
    "dateUpdated": "2024-08-02T07:59:43.658Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

GHSA-MXP6-GC8G-J2P9

CVE-2023-5368 (GCVE-0-2023-5368)

Tags

Sightings

Nomenclature