github - ghsa-fp2g-4h6f-28h2

GHSA-FP2G-4H6F-28H2

Vulnerability from github – Published: 2025-05-19 15:31 – Updated: 2025-05-20 18:30

Details

The configuration initialization tool in OpenVPN 3 Linux v20 through v24 on Linux allows a local attacker to use symlinks pointing at an arbitrary directory which will change the ownership and permissions of that destination directory.

Severity ?

6.2 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-3908"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-59"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-19T15:15:23Z",
    "severity": "MODERATE"
  },
  "details": "The configuration initialization tool in OpenVPN 3 Linux v20 through v24 on Linux allows a local attacker to use symlinks pointing at an arbitrary directory which will change the ownership and permissions of that destination directory.",
  "id": "GHSA-fp2g-4h6f-28h2",
  "modified": "2025-05-20T18:30:53Z",
  "published": "2025-05-19T15:31:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-3908"
    },
    {
      "type": "WEB",
      "url": "https://community.openvpn.net/Security%20Announcements/CVE-2025-3908"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2025/05/20/2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-3908 (GCVE-0-2025-3908)

Vulnerability from cvelistv5 – Published: 2025-05-19 14:59 – Updated: 2025-05-20 18:04

Summary

Severity ?

6.2 (Medium)


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

CWE

CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Assigner

OpenVPN

References

URL

Tags

https://community.openvpn.net/Security%20Announce…

Impacted products

	Vendor	Product	Version
	OpenVPN	OpenVPN 3 Linux	Affected: v20 , ≤ v24 (semver)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "NONE",
              "baseScore": 6.2,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-3908",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-19T15:36:42.543233Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-19T15:37:20.247Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-05-20T18:04:08.335Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/05/20/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Linux"
          ],
          "product": "OpenVPN 3 Linux",
          "repo": "https://codeberg.org/OpenVPN/openvpn3-linux/",
          "vendor": "OpenVPN",
          "versions": [
            {
              "lessThanOrEqual": "v24",
              "status": "affected",
              "version": "v20",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The configuration initialization tool in OpenVPN 3 Linux v20 through v24 on Linux allows a local attacker to use symlinks pointing at an arbitrary directory which will change the ownership and permissions of that destination directory."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-59",
              "description": "CWE-59 Improper Link Resolution Before File Access (\u0027Link Following\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-19T14:59:08.482Z",
        "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
        "shortName": "OpenVPN"
      },
      "references": [
        {
          "url": "https://community.openvpn.net/Security%20Announcements/CVE-2025-3908"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
    "assignerShortName": "OpenVPN",
    "cveId": "CVE-2025-3908",
    "datePublished": "2025-05-19T14:59:08.482Z",
    "dateReserved": "2025-04-23T17:39:28.844Z",
    "dateUpdated": "2025-05-20T18:04:08.335Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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-FP2G-4H6F-28H2

CVE-2025-3908 (GCVE-0-2025-3908)

Tags

Sightings

Nomenclature