CVE-2017-3730 (GCVE-0-2017-3730)

Vulnerability from cvelistv5 – Published: 2017-05-04 19:00 – Updated: 2024-09-16 17:48
VLAI
Title
Bad (EC)DHE parameters cause a client crash
Summary
In OpenSSL 1.1.0 before 1.1.0d, if a malicious server supplies bad parameters for a DHE or ECDHE key exchange then this can result in the client attempting to dereference a NULL pointer leading to a client crash. This could be exploited in a Denial of Service attack.
Severity
No CVSS data available.
CWE
  • NULL pointer deference
Assigner
openssl CNA under the mitre root
CNA scorecard B 78/100 over 43 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
OpenSSL OpenSSL Affected: openssl-1.1.0
Affected: openssl-1.1.0a
Affected: openssl-1.1.0b
Affected: openssl-1.1.0c
guessed Create a notification for this product.
Date Public
2017-01-26 00:00
Credits
Guido Vranken
Show details on NVD website
To clipboard 

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            "url": "http://www.securitytracker.com/id/1037717"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/openssl/openssl/commit/efbe126e3ebb9123ac9d058aa2bb044261342aaa"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.gentoo.org/glsa/201702-07"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03838en_us"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://www.exploit-db.com/exploits/41192/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "https://www.openssl.org/news/secadv/20170126.txt"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
          }
        ],
        "sourceIdentifier": "openssl-security@openssl.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T21:54:53+00:00",
      "cve": "CVE-2017-3730",
      "id": "CVE-2017-3730",
      "initial_release_date": "2017-01-26T00:00:00+00:00",
      "product_status:known_not_affected": "27",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "openssl: Bad (EC)DHE parameters cause a client crash",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-3730.json",
      "version": "3"
    }
  }
}



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