VA-25-343-01

Vulnerability from csaf_cisa - Published: 2025-12-10 16:46 - Updated: 2025-12-10 16:46
Summary
Windscribe for Linux 'changeMTU' local privilege escalation

Notes

Legal Notice
All information products included in [https://github.com/cisagov/CSAF/tree/develop/csaf_files/IT/white](https://github.com/cisagov/CSAF/tree/develop/csaf_files/IT/white) are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see [https://us-cert.cisa.gov/tlp/](https://us-cert.cisa.gov/tlp/).
Countries and Areas Deployed
Worldwide
Critical Infrastructure Sectors
Information Technology
Risk Evaluation
A command injection vulnerability exists in Windscribe for Linux Desktop App that allows a local user who is a member of the windscribe group to execute arbitrary commands as root via the 'adapterName' parameter of the 'changeMTU' function. Fixed in Windscribe v2.18.3-alpha and v2.18.8.
Recommended Practices
This issue is fixed in Windscribe for Linux Desktop App v2.18.3-alpha and v2.18.8.
Company Headquarters Location
United States
To clipboard 

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "All information products included in [https://github.com/cisagov/CSAF/tree/develop/csaf_files/IT/white](https://github.com/cisagov/CSAF/tree/develop/csaf_files/IT/white) are provided \\\"as is\\\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see [https://us-cert.cisa.gov/tlp/](https://us-cert.cisa.gov/tlp/).",
        "title": "Legal Notice"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries and Areas Deployed"
      },
      {
        "category": "other",
        "text": "Information Technology",
        "title": "Critical Infrastructure Sectors"
      },
      {
        "category": "summary",
        "text": "A command injection vulnerability exists in Windscribe for Linux Desktop App that allows a local user who is a member of the windscribe group to execute arbitrary commands as root via the \u0027adapterName\u0027 parameter of the \u0027changeMTU\u0027 function. Fixed in Windscribe v2.18.3-alpha and v2.18.8.",
        "title": "Risk Evaluation"
      },
      {
        "category": "general",
        "text": "This issue is fixed in Windscribe for Linux Desktop App v2.18.3-alpha and v2.18.8.",
        "title": "Recommended Practices"
      },
      {
        "category": "other",
        "text": "United States",
        "title": "Company Headquarters Location"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "https://www.cisa.gov/report",
      "issuing_authority": "CISA",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Vulnerability Advisory VA-25-343-01 CSAF",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-343-01.json"
      }
    ],
    "title": "Windscribe for Linux \u0027changeMTU\u0027 local privilege escalation",
    "tracking": {
      "current_release_date": "2025-12-10T16:46:41Z",
      "generator": {
        "engine": {
          "name": "VINCE-NT",
          "version": "1.11.0"
        }
      },
      "id": "VA-25-343-01",
      "initial_release_date": "2025-12-10T16:46:41Z",
      "revision_history": [
        {
          "date": "2025-12-10T16:46:41Z",
          "number": "1.0.0",
          "summary": "Initial publication"
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003e=2.10.1|\u003c2.18.3-alpha",
                "product": {
                  "name": "Windscribe Windscribe for Linux Desktop App \u003e=2.10.1|\u003c2.18.3-alpha",
                  "product_id": "CSAFPID-0001"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003e=2.10.1|\u003c2.18.8",
                "product": {
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                  "product_id": "CSAFPID-0002"
                }
              },
              {
                "category": "product_version",
                "name": "2.18.3-alpha",
                "product": {
                  "name": "Windscribe Windscribe for Linux Desktop App 2.18.3-alpha",
                  "product_id": "CSAFPID-0003"
                }
              },
              {
                "category": "product_version",
                "name": "2.18.8",
                "product": {
                  "name": "Windscribe Windscribe for Linux Desktop App 2.18.8",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "Windscribe for Linux Desktop App"
          }
        ],
        "category": "vendor",
        "name": "Windscribe"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "HackingByDoing"
          ]
        }
      ],
      "cve": "CVE-2025-65199",
      "cwe": {
        "id": "CWE-78",
        "name": "Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "A command injection vulnerability exists in Windscribe for Linux Desktop App that allows a local user who is a member of the windscribe group to execute arbitrary commands as root via the \u0027adapterName\u0027 parameter of the \u0027changeMTU\u0027 function. Fixed in Windscribe v2.18.3-alpha and v2.18.8.",
          "title": "Description"
        },
        {
          "category": "details",
          "text": "SSVCv2/E:N/A:N/T:T/2025-12-08T20:03:49Z/",
          "title": "SSVC"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-0003",
          "CSAFPID-0004"
        ],
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "github.com",
          "url": "https://github.com/Windscribe/Desktop-App"
        },
        {
          "category": "external",
          "summary": "github.com",
          "url": "https://github.com/Windscribe/Desktop-App/compare/v2.18.2...v2.18.3?diff=unified\u0026w#diff-cfc5df17057ed92112ae70a42c81c57c79f434429210ff881fb0771cf8e39b4c"
        },
        {
          "category": "external",
          "summary": "github.com",
          "url": "https://github.com/Windscribe/Desktop-App/compare/v2.18.2...v2.18.3?diff=unified\u0026w#diff-57e27ab201a1a612609087b839e03bf87a5a063ffcc3f465a6245469bc102754"
        },
        {
          "category": "external",
          "summary": "hackingbydoing.wixsite.com",
          "url": "https://hackingbydoing.wixsite.com/hackingbydoing/post/windscribe-vpn-local-privilege-escalation"
        },
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-65199"
        },
        {
          "category": "external",
          "summary": "raw.githubusercontent.com",
          "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-343-01.json"
        }
      ],
      "release_date": "2025-10-25T00:00:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-10-25T00:00:00Z",
          "details": "Fixed in 2.18.3-alpha.",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://github.com/Windscribe/Desktop-App/releases/tag/v2.18.3"
        },
        {
          "category": "vendor_fix",
          "date": "2025-11-24T00:00:00Z",
          "details": "Fixed in 2.18.8.",
          "product_ids": [
            "CSAFPID-0002"
          ],
          "url": "https://github.com/Windscribe/Desktop-App/releases/tag/v2.18.8"
        },
        {
          "category": "vendor_fix",
          "date": "2025-10-25T00:00:00Z",
          "details": "Fixed in 2.18.3-alpha.",
          "product_ids": [
            "CSAFPID-0003"
          ],
          "url": "https://github.com/Windscribe/Desktop-App/releases/tag/v2.18.3"
        },
        {
          "category": "vendor_fix",
          "date": "2025-11-24T00:00:00Z",
          "details": "Fixed in 2.18.8.",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "url": "https://github.com/Windscribe/Desktop-App/releases/tag/v2.18.8"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002"
          ]
        }
      ],
      "title": "Windscribe for Linux \u0027changeMTU\u0027 local privilege escalation"
    }
  ]
}


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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.