FKIE_CVE-2016-2337

Vulnerability from fkie_nvd - Published: 2017-01-06 21:59 - Updated: 2025-04-20 01:37
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution.
References
cret@cert.orghttp://www.securityfocus.com/bid/91233
cret@cert.orghttp://www.talosintelligence.com/reports/TALOS-2016-0031/Exploit, Technical Description, Third Party Advisory, VDB Entry
cret@cert.orghttps://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
cret@cert.orghttps://security.gentoo.org/glsa/201710-18
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/91233
af854a3a-2127-422b-91ae-364da2661108http://www.talosintelligence.com/reports/TALOS-2016-0031/Exploit, Technical Description, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201710-18
Impacted products
Vendor Product Version
ruby-lang ruby 2.2.2
ruby-lang ruby 2.3.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:2.2.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "5FCCD8F3-E667-42F2-9861-14EDFB16583A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "822307DD-7F7D-44C2-9C4B-CB8704663410",
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            }
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Type confusion exists in _cancel_eval Ruby\u0027s TclTkIp class method. Attacker passing different type of object than String as \"retval\" argument can cause arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Existe un tipo de confusi\u00f3n en el m\u00e9todo de clase _cancel_eval Ruby\u0027s TclTkIp. El atacante que pasa un tipo diferente de objeto que una String como argumento \"retval\" puede provocar la ejecuci\u00f3n de c\u00f3digo arbitrario."
    }
  ],
  "evaluatorComment": "\u003ca href=\"http://cwe.mitre.org/data/definitions/843.html\"\u003eCWE-843: Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)\u003c/a\u003e",
  "id": "CVE-2016-2337",
  "lastModified": "2025-04-20T01:37:25.860",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": true,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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    "cvssMetricV30": [
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          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
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        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-01-06T21:59:00.460",
  "references": [
    {
      "source": "cret@cert.org",
      "url": "http://www.securityfocus.com/bid/91233"
    },
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      "tags": [
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      "url": "http://www.talosintelligence.com/reports/TALOS-2016-0031/"
    },
    {
      "source": "cret@cert.org",
      "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html"
    },
    {
      "source": "cret@cert.org",
      "url": "https://security.gentoo.org/glsa/201710-18"
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      "tags": [
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      ],
      "url": "http://www.talosintelligence.com/reports/TALOS-2016-0031/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/201710-18"
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  ],
  "sourceIdentifier": "cret@cert.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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