FKIE_CVE-2017-9334

Vulnerability from fkie_nvd - Published: 2017-06-01 05:29 - Updated: 2026-05-13 00:24
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An incorrect "pair?" check in the Scheme "length" procedure results in an unsafe pointer dereference in all CHICKEN Scheme versions prior to 4.13, which allows an attacker to cause a denial of service by passing an improper list to an application that calls "length" on it.
References
cve@mitre.orghttp://lists.nongnu.org/archive/html/chicken-announce/2017-05/msg00000.htmlPatch, Third Party Advisory
cve@mitre.orghttp://lists.nongnu.org/archive/html/chicken-hackers/2017-05/msg00099.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.nongnu.org/archive/html/chicken-announce/2017-05/msg00000.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.nongnu.org/archive/html/chicken-hackers/2017-05/msg00099.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
call-cc chicken *
To clipboard 

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          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:call-cc:chicken:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A2B09DD8-3AF5-4A49-89E5-8513C3061955",
              "versionEndIncluding": "4.12.0",
              "vulnerable": true
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An incorrect \"pair?\" check in the Scheme \"length\" procedure results in an unsafe pointer dereference in all CHICKEN Scheme versions prior to 4.13, which allows an attacker to cause a denial of service by passing an improper list to an application that calls \"length\" on it."
    },
    {
      "lang": "es",
      "value": "Un chequeo de \"pair\" incorrecto en el procedimiento \"lenght\" de Scheme resulta en una desreferencia de puntero insegura en todas las versiones de CHICKEN Scheme anteriores a 4.13, lo que permite a un atacante causar una denegaci\u00f3n de servicio pasando una lista incorrecta a una aplicaci\u00f3n que llama a \"length\"."
    }
  ],
  "id": "CVE-2017-9334",
  "lastModified": "2026-05-13T00:24:29.033",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": true,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
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        "exploitabilityScore": 10.0,
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          "attackVector": "NETWORK",
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          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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          "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"
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        "source": "nvd@nist.gov",
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  "published": "2017-06-01T05:29:00.233",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
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      "url": "http://lists.nongnu.org/archive/html/chicken-announce/2017-05/msg00000.html"
    },
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      "source": "cve@mitre.org",
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-20"
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      "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

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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.
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  • 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.