FKIE_CVE-2019-3857

Vulnerability from fkie_nvd - Published: 2019-03-25 19:29 - Updated: 2024-11-21 04:42
Summary
An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
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-2019:1175Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:1652Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:1791Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:1943Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:2399Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3857Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlThird 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/25Mailing List, Third Party Advisory
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20190327-0005/Third Party Advisory
secalert@redhat.comhttps://www.debian.org/security/2019/dsa-4431Third Party Advisory
secalert@redhat.comhttps://www.libssh2.org/CVE-2019-3857.htmlPatch, Vendor Advisory
secalert@redhat.comhttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.htmlPatch, Third Party Advisory
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-2019:1175Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1652Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1791Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1943Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2399Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3857Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/03/msg00032.htmlThird 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/25Mailing List, Third Party Advisory
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-4431Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.libssh2.org/CVE-2019-3857.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.htmlPatch, Third Party Advisory

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un error de desbordamiento de enteros que podr\u00eda conducir a una escritura fuera de l\u00edmites en libssh2, en versiones anteriores a la 1.8.1, en la forma en la que se analizan los paquetes SSH_MSG_CHANNEL_REQUEST con una se\u00f1al de salida. Un atacante remoto que comprometa un servidor SSH podr\u00eda ser capaz de ejecutar c\u00f3digo en el sistema del cliente cuando un usuario se conecta al servidor."
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  "id": "CVE-2019-3857",
  "lastModified": "2024-11-21T04:42:43.817",
  "metrics": {
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        "baseSeverity": "MEDIUM",
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          "accessVector": "NETWORK",
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          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
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          "privilegesRequired": "NONE",
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          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
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  "published": "2019-03-25T19:29:01.837",
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-190"
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          "value": "CWE-787"
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}


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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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