FKIE_CVE-2017-12166

Vulnerability from fkie_nvd - Published: 2017-10-04 01:29 - Updated: 2026-06-17 01:02
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution.
References
secalert@redhat.comhttp://www.securityfocus.com/bid/101153Third Party Advisory, VDB Entry, URL Repurposed
secalert@redhat.comhttp://www.securitytracker.com/id/1039470Third Party Advisory, VDB Entry, URL Repurposed
secalert@redhat.comhttps://community.openvpn.net/openvpn/wiki/CVE-2017-12166Patch, Vendor Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2022/05/msg00002.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/101153Third Party Advisory, VDB Entry, URL Repurposed
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039470Third Party Advisory, VDB Entry, URL Repurposed
af854a3a-2127-422b-91ae-364da2661108https://community.openvpn.net/openvpn/wiki/CVE-2017-12166Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/05/msg00002.htmlMailing List, Third Party Advisory
Impacted products
Vendor Product Version
openvpn openvpn *
openvpn openvpn *
debian debian_linux 9.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C5DD8899-640F-42F3-A82F-ACC4D2529C95",
              "versionEndExcluding": "2.3.18",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4BC52F79-A9F0-45FE-9EC0-58E970E4B3B1",
              "versionEndExcluding": "2.4.4",
              "versionStartIncluding": "2.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution."
    },
    {
      "lang": "es",
      "value": "OpenVPN en versiones anteriores a la 2.3.3 y en versiones 2.4.x anteriores a la 2.4.4 es vulnerable a undesbordamiento de b\u00fafer cuando se utiliza key-method 1, lo que puede provocar la ejecuci\u00f3n de c\u00f3digo."
    }
  ],
  "id": "CVE-2017-12166",
  "lastModified": "2026-06-17T01:02:48.463",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-10-04T01:29:02.090",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry",
        "URL Repurposed"
      ],
      "url": "http://www.securityfocus.com/bid/101153"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry",
        "URL Repurposed"
      ],
      "url": "http://www.securitytracker.com/id/1039470"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2017-12166"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry",
        "URL Repurposed"
      ],
      "url": "http://www.securityfocus.com/bid/101153"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry",
        "URL Repurposed"
      ],
      "url": "http://www.securitytracker.com/id/1039470"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2017-12166"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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