CVE-2017-3733 (GCVE-0-2017-3733)

Vulnerability from cvelistv5 – Published: 2017-05-04 19:00 – Updated: 2024-09-16 16:18
VLAI
Title
Encrypt-Then-Mac renegotiation crash
Summary
During a renegotiation handshake if the Encrypt-Then-Mac extension is negotiated where it was not in the original handshake (or vice-versa) then this can cause OpenSSL 1.1.0 before 1.1.0e to crash (dependent on ciphersuite). Both clients and servers are affected.
Severity
No CVSS data available.
CWE
  • protocol error
Assigner
References
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: openssl-1.1.0
Affected: openssl-1.1.0a
Affected: openssl-1.1.0b
Affected: openssl-1.1.0c
Affected: openssl-1.1.0d
Create a notification for this product.
Date Public
2017-02-16 00:00
Credits
Joe Orton (Red Hat)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T14:39:40.764Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "96269",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/96269"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.openssl.org/news/secadv/20170216.txt"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbgn03728en_us"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2"
          },
          {
            "name": "1037846",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1037846"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "OpenSSL",
          "vendor": "OpenSSL",
          "versions": [
            {
              "status": "affected",
              "version": "openssl-1.1.0"
            },
            {
              "status": "affected",
              "version": "openssl-1.1.0a"
            },
            {
              "status": "affected",
              "version": "openssl-1.1.0b"
            },
            {
              "status": "affected",
              "version": "openssl-1.1.0c"
            },
            {
              "status": "affected",
              "version": "openssl-1.1.0d"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Joe Orton (Red Hat)"
        }
      ],
      "datePublic": "2017-02-16T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "During a renegotiation handshake if the Encrypt-Then-Mac extension is negotiated where it was not in the original handshake (or vice-versa) then this can cause OpenSSL 1.1.0 before 1.1.0e to crash (dependent on ciphersuite). Both clients and servers are affected."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "lang": "eng",
              "url": "https://www.openssl.org/policies/secpolicy.html#High",
              "value": "High"
            },
            "type": "unknown"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "protocol error",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-04-23T19:08:15.000Z",
        "orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
        "shortName": "openssl"
      },
      "references": [
        {
          "name": "96269",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/96269"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.openssl.org/news/secadv/20170216.txt"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbgn03728en_us"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2"
        },
        {
          "name": "1037846",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1037846"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
        }
      ],
      "title": "Encrypt-Then-Mac renegotiation crash",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "openssl-security@openssl.org",
          "DATE_PUBLIC": "2017-02-16",
          "ID": "CVE-2017-3733",
          "STATE": "PUBLIC",
          "TITLE": "Encrypt-Then-Mac renegotiation crash"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "OpenSSL",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "openssl-1.1.0"
                          },
                          {
                            "version_value": "openssl-1.1.0a"
                          },
                          {
                            "version_value": "openssl-1.1.0b"
                          },
                          {
                            "version_value": "openssl-1.1.0c"
                          },
                          {
                            "version_value": "openssl-1.1.0d"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "OpenSSL"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Joe Orton (Red Hat)"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "During a renegotiation handshake if the Encrypt-Then-Mac extension is negotiated where it was not in the original handshake (or vice-versa) then this can cause OpenSSL 1.1.0 before 1.1.0e to crash (dependent on ciphersuite). Both clients and servers are affected."
            }
          ]
        },
        "impact": [
          {
            "lang": "eng",
            "url": "https://www.openssl.org/policies/secpolicy.html#High",
            "value": "High"
          }
        ],
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "protocol error"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "96269",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/96269"
            },
            {
              "name": "https://www.openssl.org/news/secadv/20170216.txt",
              "refsource": "CONFIRM",
              "url": "https://www.openssl.org/news/secadv/20170216.txt"
            },
            {
              "name": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"
            },
            {
              "name": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbgn03728en_us",
              "refsource": "CONFIRM",
              "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbgn03728en_us"
            },
            {
              "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
            },
            {
              "name": "https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2",
              "refsource": "MISC",
              "url": "https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2"
            },
            {
              "name": "1037846",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1037846"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
    "assignerShortName": "openssl",
    "cveId": "CVE-2017-3733",
    "datePublished": "2017-05-04T19:00:00.000Z",
    "dateReserved": "2016-12-16T00:00:00.000Z",
    "dateUpdated": "2024-09-16T16:18:03.381Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2017-3733",
      "date": "2026-05-27",
      "epss": "0.03097",
      "percentile": "0.86983"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2017-3733\",\"sourceIdentifier\":\"openssl-security@openssl.org\",\"published\":\"2017-05-04T19:29:00.430\",\"lastModified\":\"2026-05-13T00:24:29.033\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"During a renegotiation handshake if the Encrypt-Then-Mac extension is negotiated where it was not in the original handshake (or vice-versa) then this can cause OpenSSL 1.1.0 before 1.1.0e to crash (dependent on ciphersuite). Both clients and servers are affected.\"},{\"lang\":\"es\",\"value\":\"Durante un protocolo de enlace de renegociaci\u00f3n, si la extensi\u00f3n Encrypt-Then-Mac es negociada cuando no estaba en el protocolo de enlace original (o viceversa), se podr\u00eda provocar el cierre inesperado de OpenSSL (dependiente de una suite de cifrado) en versiones 1.1.0 anteriores a la 1.1.0e. Tanto los clientes como los servidores se ven afectados.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":true,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:1.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"73104834-5810-48DD-9B97-549D223853F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:1.1.0a:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C9D7A18A-116B-4F68-BEA3-A4E9DDDA55C6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:1.1.0b:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CFC70262-0DCD-4B46-9C96-FD18D0207511\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:1.1.0c:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B2E07A34-08A0-4765-AF81-46A3BDC5648A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:1.1.0d:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"83B0A3D8-60C7-4F42-9DD6-C535F983D98B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:hp:operations_agent:11.14:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"739CE0EF-9D08-4A26-A82A-A117DBBF0717\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:hp:operations_agent:11.15:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3429CA31-3B98-4227-8FB5-A56CAFFD641E\"}]}]}],\"references\":[{\"url\":\"http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"http://www.securityfocus.com/bid/96269\",\"source\":\"openssl-security@openssl.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037846\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbgn03728en_us\",\"source\":\"openssl-security@openssl.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.openssl.org/news/secadv/20170216.txt\",\"source\":\"openssl-security@openssl.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html\",\"source\":\"openssl-security@openssl.org\"},{\"url\":\"http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/96269\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1037846\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://github.com/openssl/openssl/commit/4ad93618d26a3ea23d36ad5498ff4f59eff3a4d2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbgn03728en_us\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.openssl.org/news/secadv/20170216.txt\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



Detection rules are retrieved from Rulezet.