CVE-2016-6302 (GCVE-0-2016-6302)

Vulnerability from cvelistv5 – Published: 2016-09-16 00:00 – Updated: 2024-08-06 01:29
VLAI
Summary
The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1042 records in the last 180 days details
References
Date Public
2016-08-23 00:00
Show details on NVD website
To clipboard 

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            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"
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            "url": "https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=e97763c92c655dcf4af2860b3abd2bc4c8a267f9"
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          {
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            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc"
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          {
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            "url": "https://www.tenable.com/security/tns-2016-20"
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          {
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          },
          {
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          {
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          {
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          },
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          },
          {
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          },
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.tenable.com/security/tns-2016-21"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-21T05:35:15+00:00",
      "cve": "CVE-2016-6302",
      "id": "CVE-2016-6302",
      "initial_release_date": "2016-08-23T00:00:00+00:00",
      "product_status:fixed": "320",
      "product_status:known_affected": "4",
      "product_status:known_not_affected": "7",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "openssl: Insufficient TLS session ticket HMAC length checks",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-6302.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-10-17T02:24:41Z",
      "cve": "CVE-2016-6302",
      "id": "CVE-2016-6302",
      "initial_release_date": "2023-02-15T04:59:36Z",
      "product_status:known_affected": "325",
      "product_status:known_not_affected": "330",
      "product_status:recommended": "1053",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-6302",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2023/cve-2016-6302.json",
      "version": "47"
    }
  }
}



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