FKIE_CVE-2013-2099

Vulnerability from fkie_nvd - Published: 2013-10-09 14:53 - Updated: 2025-04-11 00:51
Severity ?
Summary
Algorithmic complexity vulnerability in the ssl.match_hostname function in Python 3.2.x, 3.3.x, and earlier, and unspecified versions of python-backports-ssl_match_hostname as used for older Python versions, allows remote attackers to cause a denial of service (CPU consumption) via multiple wildcard characters in the common name in a certificate.
Impacted products
Vendor Product Version
python python 3.2.0
python python 3.2.1
python python 3.2.2
python python 3.2.3
python python 3.2.4
python python 3.2.5
python python 3.3.0
python python 3.3.1
python python 3.3.2
canonical ubuntu_linux 12.04
canonical ubuntu_linux 12.10
canonical ubuntu_linux 13.04

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      "value": "Algorithmic complexity vulnerability in the ssl.match_hostname function in Python 3.2.x, 3.3.x, and earlier, and unspecified versions of python-backports-ssl_match_hostname as used for older Python versions, allows remote attackers to cause a denial of service (CPU consumption) via multiple wildcard characters in the common name in a certificate."
    },
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      "lang": "es",
      "value": "Vulnerabilidad de la complejidad algor\u00edtmica en la funci\u00f3n ssl.match_hostname en Python 3.2.x, 3.3.x, y anteriores, y las versiones no especificadas de python-backports-ssl_match_hostname como las usadas por versiones anteriores de Python, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de CPU ) a trav\u00e9s de m\u00faltiples caracteres comod\u00edn en el nombre com\u00fan en el certificado."
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  "id": "CVE-2013-2099",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
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        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
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        "impactScore": 2.9,
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  "published": "2013-10-09T14:53:20.230",
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}


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Sightings

Author Source Type Date

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.


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