Vulnerability-Lookup

CVE-2025-59349 (GCVE-0-2025-59349)

Vulnerability from cvelistv5 – Published: 2025-09-17 19:41 – Updated: 2025-09-18 17:35

Title

Directories created via os.MkdirAll are not checked for permissions

Summary

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, DragonFly2 uses the os.MkdirAll function to create certain directory paths with specific access permissions. This function does not perform any permission checks when a given directory path already exists. This allows a local attacker to create a directory to be used later by DragonFly2 with broad permissions before DragonFly2 does so, potentially allowing the attacker to tamper with the files. This vulnerability is fixed in 2.1.0.

Severity

2 (Low)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-09-18 17:35 UTC

CWE

CWE-732 - Incorrect Permission Assignment for Critical Resource

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/dragonflyoss/dragonfly/securit…	x_refsource_CONFIRM
https://github.com/dragonflyoss/dragonfly/blob/ma…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
dragonflyoss	dragonfly	Affected: < 2.1.0	guessed

Show details on NVD website

JSON

To clipboard

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}

FKIE_CVE-2025-59349

Vulnerability from fkie_nvd - Published: 2025-09-17 20:15 - Updated: 2026-06-17 09:45

Severity

3.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensive-report-2023.pdf	Product
	security-advisories@github.com	https://github.com/dragonflyoss/dragonfly/security/advisories/GHSA-8425-8r2f-mrv6	Patch, Third Party Advisory

Impacted products

	Vendor	Product	Version
	linuxfoundation	dragonfly	*

JSON

To clipboard

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      "affectedData": [
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          "product": "dragonfly",
          "vendor": "dragonflyoss",
          "versions": [
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              "version": "\u003c 2.1.0"
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      ],
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  ],
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    },
    {
      "lang": "es",
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    }
  ],
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  "lastModified": "2026-06-17T09:45:57.337",
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          "integrityRequirement": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
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          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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}

GHSA-8425-8R2F-MRV6

Vulnerability from github – Published: 2025-09-17 19:55 – Updated: 2025-09-26 16:17

Summary

Dragonfly's directories created via os.MkdirAll are not checked for permissions

Details

Impact

DragonFly2 uses the os.MkdirAll function to create certain directory paths with specific access permissions. This function does not perform any permission checks when a given directory path already exists. This allows a local attacker to create a directory to be used later by DragonFly2 with broad permissions before DragonFly2 does so, potentially allowing the attacker to tamper with the files.

Eve has unprivileged access to the machine where Alice uses DragonFly2. Eve watches the commands executed by Alice and introduces new directories/paths with 0777 permissions before DragonFly2 does so. Eve can then delete and forge files in that directory to change the results of further commands executed by Alice.

Patches

Dragonfy v2.1.0 and above.

Workarounds

There are no effective workarounds, beyond upgrading.

References

A third party security audit was performed by Trail of Bits, you can see the full report.

If you have any questions or comments about this advisory, please email us at dragonfly-maintainers@googlegroups.com.

Severity

2.0 (Low)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/dragonflyoss/dragonfly"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "d7y.io/dragonfly/v2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-59349"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-276",
      "CWE-732"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-09-17T19:55:25Z",
    "nvd_published_at": "2025-09-17T20:15:37Z",
    "severity": "LOW"
  },
  "details": "### Impact\n\nDragonFly2 uses the os.MkdirAll function to create certain directory paths with specific access permissions. This function does not perform any permission checks when a given directory path already exists. This allows a local attacker to create a directory to be used later by DragonFly2 with broad permissions before DragonFly2 does so, potentially allowing the attacker to tamper with the files.\n\nEve has unprivileged access to the machine where Alice uses DragonFly2. Eve watches the commands executed by Alice and introduces new directories/paths with 0777 permissions before DragonFly2 does so. Eve can then delete and forge files in that directory to change the results of further commands executed by Alice.\n\n### Patches\n\n- Dragonfy v2.1.0 and above.\n\n### Workarounds\n\nThere are no effective workarounds, beyond upgrading.\n\n### References\n\nA third party security audit was performed by Trail of Bits, you can see the [full report](https://github.com/dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensive-report-2023.pdf).\n\nIf you have any questions or comments about this advisory, please email us at [dragonfly-maintainers@googlegroups.com](mailto:dragonfly-maintainers@googlegroups.com).",
  "id": "GHSA-8425-8r2f-mrv6",
  "modified": "2025-09-26T16:17:33Z",
  "published": "2025-09-17T19:55:25Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/dragonflyoss/dragonfly/security/advisories/GHSA-8425-8r2f-mrv6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59349"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/dragonflyoss/dragonfly"
    },
    {
      "type": "WEB",
      "url": "https://github.com/dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensive-report-2023.pdf"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2025-3964"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Dragonfly\u0027s directories created via os.MkdirAll are not checked for permissions"
}

OPENSUSE-SU-2025:15576-1

Vulnerability from csaf_opensuse - Published: 2025-09-25 00:00 - Updated: 2025-09-25 00:00

Summary

govulncheck-vulndb-0.0.20250924T192141-1.1 on GA media

Severity

Moderate

Scope

16 vulnerabilities in this advisory, including CVE-2025-59349.

CVE-2025-59349

3.3 (Low)


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

Recommended: 4 products

Open the full advisory

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2025-59349 (GCVE-0-2025-59349)

FKIE_CVE-2025-59349

GHSA-8425-8R2F-MRV6

Impact

Patches

Workarounds

References

OPENSUSE-SU-2025:15576-1

Tags

Sightings

Nomenclature

Related by attack behaviour