CVE-2017-7521 (GCVE-0-2017-7521)
Vulnerability from cvelistv5
Published
2017-06-27 13:00
Modified
2024-08-05 16:04
Severity ?
CWE
Summary
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extract_x509_extension().
References
Impacted products
Vendor Product Version
OpenVPN Technologies, Inc OpenVPN Version: before 2.4.3
Version: before 2.3.17
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T16:04:11.856Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"
          },
          {
            "name": "1038768",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1038768"
          },
          {
            "name": "99230",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/99230"
          },
          {
            "name": "DSA-3900",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2017/dsa-3900"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "OpenVPN",
          "vendor": "OpenVPN Technologies, Inc",
          "versions": [
            {
              "status": "affected",
              "version": "before 2.4.3"
            },
            {
              "status": "affected",
              "version": "before 2.3.17"
            }
          ]
        }
      ],
      "datePublic": "2017-06-21T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extract_x509_extension()."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-11-03T18:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"
        },
        {
          "name": "1038768",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1038768"
        },
        {
          "name": "99230",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/99230"
        },
        {
          "name": "DSA-3900",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2017/dsa-3900"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2017-7521",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "OpenVPN",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "before 2.4.3"
                          },
                          {
                            "version_value": "before 2.3.17"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "OpenVPN Technologies, Inc"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extract_x509_extension()."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-400"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243",
              "refsource": "CONFIRM",
              "url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"
            },
            {
              "name": "1038768",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1038768"
            },
            {
              "name": "99230",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/99230"
            },
            {
              "name": "DSA-3900",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2017/dsa-3900"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2017-7521",
    "datePublished": "2017-06-27T13:00:00",
    "dateReserved": "2017-04-05T00:00:00",
    "dateUpdated": "2024-08-05T16:04:11.856Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2017-7521\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2017-06-27T13:29:00.240\",\"lastModified\":\"2025-04-20T01:37:25.860\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extract_x509_extension().\"},{\"lang\":\"es\",\"value\":\"Las versiones de OpenVPN anteriores a 2.4.3 y 2.3.17, son vulnerables a una denegaci\u00f3n de servicio remota debido a un agotamiento de memoria causado por p\u00e9rdida de memoria y un problema de doble liberaci\u00f3n (Double Free) en la funci\u00f3n extract_x509_extension().\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-415\"},{\"lang\":\"en\",\"value\":\"CWE-772\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.3.16\",\"matchCriteriaId\":\"216840B9-FCDB-4921-BE12-2A1FA42F8FDE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"84F5C67A-34A4-4C7E-BCA9-AF3E5FC70AF6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:*\",\"matchCriteriaId\":\"A857CA88-60B0-4D34-87B6-770B67981501\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B42297EE-B347-4BD8-A657-BDF0AA010C06\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:*\",\"matchCriteriaId\":\"7C7A56E8-09C8-4DB2-9244-9E5E2BEC1821\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:2.4.0:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"41ACD637-EF6B-40E4-BDE6-0EE7D6AEBAD4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:2.4.0:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"1A4150AD-3F46-487D-BCF8-79D0AE2A092D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:2.4.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7F7663E-3EB5-44F4-B7DE-294A549A12BE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:2.4.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"81434C3E-F992-4F29-9092-6823989B6909\"}]}]}],\"references\":[{\"url\":\"http://www.debian.org/security/2017/dsa-3900\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/99230\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1038768\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.debian.org/security/2017/dsa-3900\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/99230\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1038768\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.