{
  "threat_severity" : "Moderate",
  "public_date" : "2019-03-13T00:00:00Z",
  "bugzilla" : {
    "description" : "libssh2: Zero-byte allocation with a specially crafted SFTP packed leading to an out-of-bounds read",
    "id" : "1687306",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1687306"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.0",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
    "status" : "verified"
  },
  "cwe" : "CWE-125",
  "details" : [ "An out of bounds read flaw was discovered in libssh2 before 1.8.1 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.", "An out of bounds read flaw was discovered in libssh2 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a denial of service or read data in the client memory." ],
  "statement" : "This flaw was present in libssh2 packages included in Red Hat Virtualization Hypervisor and Management Appliance, however libssh2 in these hosts is never exposed to malicious clients or servers.\nlibssh2 is no longer included in the virt module since Red Hat Enterprise Linux 8.1.",
  "acknowledgement" : "Red Hat would like to thank the libssh2 project for reporting this issue. Upstream acknowledges Chris Coulson (Canonical Ltd.) as the original reporter.",
  "affected_release" : [ {
    "product_name" : "Red Hat Ansible Tower 3.4 for RHEL 7",
    "release_date" : "2020-02-18T00:00:00Z",
    "advisory" : "RHBA-2020:0547",
    "cpe" : "cpe:/a:redhat:ansible_tower:3.4::el7",
    "package" : "ansible-tower-34/ansible-tower-memcached:1.4.15-28"
  }, {
    "product_name" : "Red Hat Ansible Tower 3.4 for RHEL 7",
    "release_date" : "2020-02-18T00:00:00Z",
    "advisory" : "RHBA-2020:0547",
    "cpe" : "cpe:/a:redhat:ansible_tower:3.4::el7",
    "package" : "ansible-tower-35/ansible-tower-memcached:1.4.15-28"
  }, {
    "product_name" : "Red Hat Ansible Tower 3.4 for RHEL 7",
    "release_date" : "2020-02-18T00:00:00Z",
    "advisory" : "RHBA-2020:0547",
    "cpe" : "cpe:/a:redhat:ansible_tower:3.4::el7",
    "package" : "ansible-tower-37/ansible-tower-memcached-rhel7:1.4.15-28"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2019-08-06T00:00:00Z",
    "advisory" : "RHSA-2019:2136",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "libssh2-0:1.8.0-3.el7"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Will not fix",
    "package_name" : "libssh2",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "virt:rhel/libssh2",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8 Advanced Virtualization",
    "fix_state" : "Will not fix",
    "package_name" : "virt:8.0.0/libssh2",
    "cpe" : "cpe:/a:redhat:advanced_virtualization:8::el8"
  }, {
    "product_name" : "Red Hat Virtualization 4",
    "fix_state" : "Will not fix",
    "package_name" : "redhat-virtualization-host",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4",
    "impact" : "low"
  }, {
    "product_name" : "Red Hat Virtualization 4",
    "fix_state" : "Will not fix",
    "package_name" : "rhvm-appliance",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4",
    "impact" : "low"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2019-3858\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-3858\nhttps://www.libssh2.org/CVE-2019-3858.html" ],
  "name" : "CVE-2019-3858",
  "csaw" : false
}