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FKIE_CVE-2019-11235

Vulnerability from fkie_nvd - Published: 2019-04-22 11:29 - Updated: 2026-06-17 02:12
Severity
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used" protection mechanism, aka a "Dragonblood" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.htmlThird Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:1131Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:1142
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1695748Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release Notes, Vendor Advisory
cve@mitre.orghttps://freeradius.org/security/Vendor Advisory
cve@mitre.orghttps://papers.mathyvanhoef.com/dragonblood.pdfTechnical Description, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3954-1/Third Party Advisory
cve@mitre.orghttps://www.kb.cert.org/vuls/id/871675/Not Applicable, Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1131Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1142
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1695748Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://freeradius.org/security/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://papers.mathyvanhoef.com/dragonblood.pdfTechnical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3954-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/871675/Not Applicable, Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
freeradius freeradius *
fedoraproject fedora -
redhat enterprise_linux 7.0
redhat enterprise_linux_eus 7.6
redhat enterprise_linux_server 7.0
redhat enterprise_linux_server_aus 7.6
redhat enterprise_linux_server_tus 7.6
redhat enterprise_linux_workstation 7.0
canonical ubuntu_linux 18.04
canonical ubuntu_linux 18.10
canonical ubuntu_linux 19.04
opensuse leap 15.0
To clipboard 

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          "vendor": "n/a",
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              "status": "affected",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "FreeRADIUS before 3.0.19 mishandles the \"each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used\" protection mechanism, aka a \"Dragonblood\" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499."
    },
    {
      "lang": "es",
      "value": "FreeRADIUS versi\u00f3n anterior a 3.0.19 no maneja correctamente el mecanismo de protecci\u00f3n \"cada participante verifica que el escalar recibido est\u00e1 dentro de un rango, y que el elemento de grupo recibido es un punto v\u00e1lido en la curva que se est\u00e1 utilizando\", alias \"Dragonblood\", este problema es similar a CVE-2019-9498 y CVE-2019-9499."
    }
  ],
  "id": "CVE-2019-11235",
  "lastModified": "2026-06-17T02:12:35.730",
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        "baseSeverity": "HIGH",
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
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          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
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          "confidentialityImpact": "HIGH",
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2019-04-22T11:29:03.517",
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}



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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.


Related by attack behaviour

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.