FKIE_CVE-2019-3863

Vulnerability from fkie_nvd - Published: 2019-03-25 18:29 - Updated: 2024-11-21 04:42
Summary
A flaw was found in libssh2 before 1.8.1. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.htmlThird Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:0679Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:1175
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:1652
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:1791
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:1943
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:2399
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
secalert@redhat.comhttps://seclists.org/bugtraq/2019/Apr/25
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20190327-0005/Third Party Advisory
secalert@redhat.comhttps://www.debian.org/security/2019/dsa-4431
secalert@redhat.comhttps://www.libssh2.org/CVE-2019-3863.htmlPatch, Vendor Advisory
secalert@redhat.comhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:0679Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1175
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1652
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1791
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1943
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2399
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/Apr/25
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190327-0005/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4431
af854a3a-2127-422b-91ae-364da2661108https://www.libssh2.org/CVE-2019-3863.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

{
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              "matchCriteriaId": "23E074D8-B71C-4C02-9383-F419F9C6EFB2",
              "versionEndExcluding": "1.8.1",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in libssh2 before 1.8.1. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en versiones anteriores a la 1.8.1 de libssh2. Un servidor podr\u00eda enviar m\u00faltiples mensajes de respuesta interactiva mediante teclado cuya longitud total es mayor que el los caracteres no firmados char max. El valor se utiliza como \u00edndice para copiar memoria causando un error de escritura de memoria fuera de l\u00edmites."
    }
  ],
  "id": "CVE-2019-3863",
  "lastModified": "2024-11-21T04:42:44.777",
  "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": true
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          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.0"
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        "impactScore": 5.9,
        "source": "secalert@redhat.com",
        "type": "Secondary"
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.0"
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        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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    ]
  },
  "published": "2019-03-25T18:29:01.590",
  "references": [
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      "url": "https://access.redhat.com/errata/RHSA-2019:1175"
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    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2019:1652"
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    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2019:1791"
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      "url": "https://access.redhat.com/errata/RHSA-2019:2399"
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  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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.
  • 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.


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