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FKIE_CVE-2013-4660

Vulnerability from fkie_nvd - Published: 2013-06-28 14:55 - Updated: 2026-06-16 23:57
Severity
Summary
The JS-YAML module before 2.0.5 for Node.js parses input without properly considering the unsafe !!js/function tag, which allows remote attackers to execute arbitrary code via a crafted string that triggers an eval operation.
References
cve@mitre.orghttp://portal.nodesecurity.io/advisories/js-yamlVendor Advisory
cve@mitre.orghttps://nealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://portal.nodesecurity.io/advisories/js-yamlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://nealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/Exploit, Vendor Advisory
Impacted products
Vendor Product Version
nodeca js-yaml *
nodeca js-yaml 0.2.0
nodeca js-yaml 0.2.1
nodeca js-yaml 0.2.2
nodeca js-yaml 0.3.0
nodeca js-yaml 0.3.1
nodeca js-yaml 0.3.2
nodeca js-yaml 0.3.3
nodeca js-yaml 0.3.4
nodeca js-yaml 0.3.5
nodeca js-yaml 0.3.6
nodeca js-yaml 0.3.7
nodeca js-yaml 1.0.0
nodeca js-yaml 1.0.1
nodeca js-yaml 1.0.2
nodeca js-yaml 1.0.3
nodeca js-yaml 2.0.0
nodeca js-yaml 2.0.1
nodeca js-yaml 2.0.2
nodeca js-yaml 2.0.3
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "AA8BD4E2-1381-466B-90F8-475F371AEC08",
              "versionEndIncluding": "2.0.4",
              "vulnerable": true
            },
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              "vulnerable": true
            },
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              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The JS-YAML module before 2.0.5 for Node.js parses input without properly considering the unsafe !!js/function tag, which allows remote attackers to execute arbitrary code via a crafted string that triggers an eval operation."
    },
    {
      "lang": "es",
      "value": "El m\u00f3dulo JS-YAML antes de v2.0.5 para Node.js analiza la entrada sin considerar adecuadamente etiqueta insegura !!js/function, lo que permite a atacantes remotos ejecutar c\u00f3digo arbitrario a trav\u00e9s de una cadena modificada que desencadena una operaci\u00f3n eval."
    }
  ],
  "id": "CVE-2013-4660",
  "lastModified": "2026-06-16T23:57:40.687",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2013-06-28T14:55:02.803",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://portal.nodesecurity.io/advisories/js-yaml"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://nealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://portal.nodesecurity.io/advisories/js-yaml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://nealpoole.com/blog/2013/06/code-execution-via-yaml-in-js-yaml-nodejs-module/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Nomenclature

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