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FKIE_CVE-2016-4970

Vulnerability from fkie_nvd - Published: 2017-04-13 14:59 - Updated: 2026-06-17 00:48
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
handler/ssl/OpenSslEngine.java in Netty 4.0.x before 4.0.37.Final and 4.1.x before 4.1.1.Final allows remote attackers to cause a denial of service (infinite loop).
References
secalert@redhat.comhttp://netty.io/news/2016/06/07/4-0-37-Final.htmlRelease Notes, Vendor Advisory
secalert@redhat.comhttp://netty.io/news/2016/06/07/4-1-1-Final.htmlRelease Notes, Vendor Advisory
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2017-0179.htmlThird Party Advisory
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2017-1097.htmlThird Party Advisory
secalert@redhat.comhttp://www.securityfocus.com/bid/96540Third Party Advisory, VDB Entry
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1343616Issue Tracking, Third Party Advisory, VDB Entry
secalert@redhat.comhttps://github.com/netty/netty/pull/5364Patch, Third Party Advisory
secalert@redhat.comhttps://lists.apache.org/thread.html/afaa5860e3a6d327eb96c3d82cbd2f5996de815a16854ed1ad310144%40%3Ccommits.cassandra.apache.org%3E
secalert@redhat.comhttps://wiki.opendaylight.org/view/Security_AdvisoriesThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://netty.io/news/2016/06/07/4-0-37-Final.htmlRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://netty.io/news/2016/06/07/4-1-1-Final.htmlRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2017-0179.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2017-1097.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/96540Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1343616Issue Tracking, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/netty/netty/pull/5364Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/afaa5860e3a6d327eb96c3d82cbd2f5996de815a16854ed1ad310144%40%3Ccommits.cassandra.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://wiki.opendaylight.org/view/Security_AdvisoriesThird Party Advisory
Impacted products
Vendor Product Version
netty netty *
netty netty *
redhat jboss_data_grid 7.1
redhat jboss_middleware_text-only_advisories 1.0
apache cassandra 3.11.4
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
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              "versionEndExcluding": "4.0.37",
              "versionStartIncluding": "4.0.20",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "A49BEC2D-E528-4C25-A5FD-C7DFEB44F450",
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          "negate": false,
          "operator": "OR"
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              "vulnerable": true
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          "negate": false,
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "handler/ssl/OpenSslEngine.java in Netty 4.0.x before 4.0.37.Final and 4.1.x before 4.1.1.Final allows remote attackers to cause a denial of service (infinite loop)."
    },
    {
      "lang": "es",
      "value": "handler/ssl/OpenSslEngine.java en Netty 4.0.x en versiones anteriores a 4.0.37.Final y 4.1.x en versiones anteriores a 4.1.1.Final permite a los atacantes remotos provocar una denegaci\u00f3n de servicio (bucle infinito)."
    }
  ],
  "evaluatorComment": "CWE-835: Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
  "id": "CVE-2016-4970",
  "lastModified": "2026-06-17T00:48:31.653",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": true,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-04-13T14:59:01.823",
  "references": [
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      "source": "secalert@redhat.com",
      "tags": [
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    },
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.


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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.