Vulnerabilities > CVE-2019-3974 - Unspecified vulnerability in Tenable Nessus

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(128118);
  script_version("1.3");
  script_cvs_date("Date: 2019/11/01  9:03:02");

  script_cve_id("CVE-2019-3974");

  script_name(english:"Tenable Nessus < 8.6.0 Denial of Service vulnerability (TNS-2019-05)");
  script_summary(english:"Checks the version of Tenable Nessus.");

  script_set_attribute(attribute:"synopsis", value:
"Tenable Nessus running on the remote host is affected by a denial of service vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, the Tenable Nessus application running on the remote host is prior or equal to
8.5.2. It is, therefore, affected by a denial of service vulnerability due to a flaw where certain files could be
overwritten arbitrarily. An authenticated, remote attacker could potentially exploit this vulnerability to create a
denial of service condition.");
  # https://www.tenable.com/security/tns-2019-05
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3f3268e5");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Tenable Nessus version 8.6.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-3974");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/08/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/08/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/08/23");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:tenable:nessus");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("nessus_detect.nasl", "os_fingerprint.nasl");
  script_require_keys("installed_sw/nessus");
  script_require_ports("Services/www", 8834);

  exit(0);
}

include('audit.inc');
include('http.inc');
include('vcf.inc');

# This only affects Windows according to the advisory
os = get_kb_item('Host/OS');
if (!os || 'Windows' >!< os) audit(AUDIT_OS_NOT, 'affected');

appname = 'nessus';
port = get_http_port(default:8834);
app_info = vcf::get_app_info(app:appname, port:port, webapp:TRUE);

vcf::check_granularity(app_info:app_info, sig_segments:3);

constraints = [
  { 'fixed_version' : '8.6.0' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);