Vulnerability-Lookup

CVE-2017-12166 (GCVE-0-2017-12166)

Vulnerability from cvelistv5 – Published: 2017-10-03 19:00 – Updated: 2024-08-05 18:28

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.

Severity

9.8 (Critical)


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

CWE

Assigner

redhat redhat root

References

4 references

URL	Tags
https://community.openvpn.net/openvpn/wiki/CVE-20…	x_refsource_MISC
http://www.securityfocus.com/bid/101153	vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1039470	vdb-entryx_refsource_SECTRACK
https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST

Date Public

2017-09-26 00:00

Show details on NVD website

JSON

To clipboard

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}

CNVD-2017-33043

Vulnerability from cnvd - Published: 2017-11-07

Title

OpenVPN 'read_key()'函数缓冲区溢出漏洞

Description

OpenVPN是一款开源的VPN程序。 OpenVPN 'read_key()'函数存在缓冲区溢出漏洞，允许远程攻击者利用漏洞提交特殊的请求，可使应用程序崩溃或执行任意代码。

Severity

中

Patch Name

OpenVPN 'read_key()'函数缓冲区溢出漏洞的补丁

Patch Description

OpenVPN是一款开源的VPN程序。 OpenVPN 'read_key()'函数存在缓冲区溢出漏洞，允许远程攻击者利用漏洞提交特殊的请求，可使应用程序崩溃或执行任意代码。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://community.openvpn.net/openvpn/wiki/CVE-2017-12166

Reference

https://community.openvpn.net/openvpn/wiki/CVE-2017-12166

Impacted products

Name
['OpenVPN Openvpn <2.3.3', 'OpenVPN Openvpn 2.4.*，<2.4.4']

Show details on source website

JSON

To clipboard

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  "description": "OpenVPN\u662f\u4e00\u6b3e\u5f00\u6e90\u7684VPN\u7a0b\u5e8f\u3002\r\n\r\nOpenVPN \u0027read_key()\u0027\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u53ef\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u6216\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "Guide Vranken",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://community.openvpn.net/openvpn/wiki/CVE-2017-12166",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-33043",
  "openTime": "2017-11-07",
  "patchDescription": "OpenVPN\u662f\u4e00\u6b3e\u5f00\u6e90\u7684VPN\u7a0b\u5e8f\u3002\r\n\r\nOpenVPN \u0027read_key()\u0027\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u53ef\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u6216\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "OpenVPN \u0027read_key()\u0027\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "OpenVPN Openvpn \u003c2.3.3",
      "OpenVPN Openvpn 2.4.*\uff0c\u003c2.4.4"
    ]
  },
  "referenceLink": "https://community.openvpn.net/openvpn/wiki/CVE-2017-12166",
  "serverity": "\u4e2d",
  "submitTime": "2017-10-09",
  "title": "OpenVPN \u0027read_key()\u0027\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

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

URL	Tags
secalert@redhat.com	http://www.securityfocus.com/bid/101153	Third Party Advisory, VDB Entry, URL Repurposed
secalert@redhat.com	http://www.securitytracker.com/id/1039470	Third Party Advisory, VDB Entry, URL Repurposed
secalert@redhat.com	https://community.openvpn.net/openvpn/wiki/CVE-2017-12166	Patch, Vendor Advisory
secalert@redhat.com	https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/101153	Third Party Advisory, VDB Entry, URL Repurposed
af854a3a-2127-422b-91ae-364da2661108	http://www.securitytracker.com/id/1039470	Third Party Advisory, VDB Entry, URL Repurposed
af854a3a-2127-422b-91ae-364da2661108	https://community.openvpn.net/openvpn/wiki/CVE-2017-12166	Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html	Mailing List, Third Party Advisory

Impacted products

Vendor	Product	Version
openvpn	openvpn	*
openvpn	openvpn	*
debian	debian_linux	9.0

JSON

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"
    }
  ]
}

GHSA-VFFW-RXX6-R4PJ

Vulnerability from github – Published: 2022-05-04 00:02 – Updated: 2022-05-04 00:02

Details

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.

Severity

8.1 (High)


                  
                    CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2017-12166"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119",
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-10-04T01:29:00Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-vffw-rxx6-r4pj",
  "modified": "2022-05-04T00:02:17Z",
  "published": "2022-05-04T00:02:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12166"
    },
    {
      "type": "WEB",
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2017-12166"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/101153"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1039470"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2017-12166

Vulnerability from gsd - Updated: 2023-12-13 01:21

Details

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.

Aliases

CVE-2017-12166

Aliases

CVE-2017-12166

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2017-12166",
    "description": "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.",
    "id": "GSD-2017-12166",
    "references": [
      "https://www.suse.com/security/cve/CVE-2017-12166.html",
      "https://advisories.mageia.org/CVE-2017-12166.html",
      "https://security.archlinux.org/CVE-2017-12166",
      "https://alas.aws.amazon.com/cve/html/CVE-2017-12166.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2017-12166"
      ],
      "details": "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.",
      "id": "GSD-2017-12166",
      "modified": "2023-12-13T01:21:03.321322Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2017-12166",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
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              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://community.openvpn.net/openvpn/wiki/CVE-2017-12166",
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          },
          {
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          },
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          },
          {
            "name": "[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.4.4",
                "versionStartIncluding": "2.4.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.3.18",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
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          ]
        },
        "references": {
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                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://community.openvpn.net/openvpn/wiki/CVE-2017-12166"
            },
            {
              "name": "1039470",
              "refsource": "SECTRACK",
              "tags": [
                "Third Party Advisory",
                "URL Repurposed",
                "VDB Entry"
              ],
              "url": "http://www.securitytracker.com/id/1039470"
            },
            {
              "name": "101153",
              "refsource": "BID",
              "tags": [
                "Third Party Advisory",
                "URL Repurposed",
                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/101153"
            },
            {
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              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2022-05-12T20:10Z",
      "publishedDate": "2017-10-04T01:29Z"
    }
  }
}

OPENSUSE-SU-2024:11128-1

Vulnerability from csaf_opensuse - Published: 2024-06-15 00:00 - Updated: 2026-09-20 20:12

Summary

openvpn-2.5.3-1.2 on GA media

Severity

Moderate

Scope

10 vulnerabilities in this advisory, including CVE-2017-12166.

CVE-2017-12166

10 (Critical)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Recommended: 16 products

Open the full advisory

SUSE-SU-2017:2838-1

Vulnerability from csaf_suse - Published: 2017-10-24 09:59 - Updated: 2026-09-20 12:34

Summary

Security update for openvpn

Severity

Important

Scope

4 vulnerabilities in this advisory, including CVE-2017-12166.

CVE-2017-12166

10 (Critical)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Recommended: 52 products

Open the full advisory

SUSE-SU-2017:2839-1

Vulnerability from csaf_suse - Published: 2017-10-24 08:46 - Updated: 2026-09-20 12:34

Summary

Security update for openvpn

Severity

Important

Scope

1 vulnerability in this advisory, including CVE-2017-12166.

CVE-2017-12166

10 (Critical)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Recommended: 100 products

Open the full advisory

SUSE-SU-2017:3177-1

Vulnerability from csaf_suse - Published: 2017-12-01 14:03 - Updated: 2026-09-20 12:35

Summary

Security update for openvpn-openssl1

Severity

Important

Scope

1 vulnerability in this advisory, including CVE-2017-12166.

CVE-2017-12166

10 (Critical)


                
                  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Recommended: 10 products

Open the full advisory

UBUNTU-CVE-2017-12166 (CVE-2017-12166)

Vulnerability from osv_ubuntu – Published: 2017-10-04 01:29 – Updated: 2025-09-08 16:44 – Source website

Details

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.

Severity

9.8 (Critical)


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

8.1 (High)


                    
                      CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2017-12166	REPORT
	https://community.openvpn.net/openvpn/wiki/CVE-20…	REPORT
	http://www.openwall.com/lists/oss-security/2017/09/28/2	REPORT
	https://www.cve.org/CVERecord?id=CVE-2017-12166	REPORT
	https://ubuntu.com/security/notices/USN-7340-1	ADVISORY

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{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "openvpn",
            "binary_version": "2.3.2-7ubuntu3.2+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "openvpn",
        "purl": "pkg:deb/ubuntu/openvpn@2.3.2-7ubuntu3.2+esm2?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3.2-7ubuntu3.2+esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.3.2-4ubuntu1",
        "2.3.2-5ubuntu1",
        "2.3.2-7ubuntu1",
        "2.3.2-7ubuntu2",
        "2.3.2-7ubuntu3",
        "2.3.2-7ubuntu3.1",
        "2.3.2-7ubuntu3.2",
        "2.3.2-7ubuntu3.2+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "openvpn",
            "binary_version": "2.3.10-1ubuntu2.2+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "openvpn",
        "purl": "pkg:deb/ubuntu/openvpn@2.3.10-1ubuntu2.2+esm2?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3.10-1ubuntu2.2+esm2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.3.7-1ubuntu1",
        "2.3.7-2ubuntu1",
        "2.3.8-1ubuntu1",
        "2.3.10-1ubuntu1",
        "2.3.10-1ubuntu2",
        "2.3.10-1ubuntu2.1",
        "2.3.10-1ubuntu2.2",
        "2.3.10-1ubuntu2.2+esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2017-12166",
  "modified": "2025-09-08T16:44:20Z",
  "published": "2017-10-04T01:29:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-12166"
    },
    {
      "type": "REPORT",
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2017-12166"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2017/09/28/2"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2017-12166"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7340-1"
    }
  ],
  "related": [
    "USN-7340-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2017-12166"
  ]
}

WID-SEC-W-2025-0513

Vulnerability from csaf_certbund - Published: 2017-09-28 22:00 - Updated: 2025-03-10 23:00

Summary

OpenVPN: Schwachstelle ermöglicht Denial of Service

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2017-12166.

CVE-2017-12166

Known affected: 5 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.

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-2017-12166 (GCVE-0-2017-12166)

UBUNTU-CVE-2017-12166 (CVE-2017-12166)

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Related by attack behaviour