Tenable Nessus < 8.0.0 Multiple Vulnerabilities (TNS-2018-14)

# SPDX-FileCopyrightText: 2018 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/a:tenable:nessus";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.107358");
  script_version("2026-03-12T05:56:11+0000");
  script_tag(name:"last_modification", value:"2026-03-12 05:56:11 +0000 (Thu, 12 Mar 2026)");
  script_tag(name:"creation_date", value:"2018-10-30 16:07:49 +0100 (Tue, 30 Oct 2018)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-08-16 13:00:00 +0000 (Tue, 16 Aug 2022)");

  script_cve_id("CVE-2018-0732", "CVE-2018-0737");

  script_tag(name:"qod_type", value:"remote_banner");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("Tenable Nessus < 8.0.0 Multiple Vulnerabilities (TNS-2018-14)");

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("Web application abuses");
  script_dependencies("gb_tenable_nessus_consolidation.nasl");
  script_mandatory_keys("tenable/nessus/detected");

  script_tag(name:"summary", value:"Tenable Nessus is prone to multiple vulnerabilities.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The following flaws exist:

  - CVE-2018-0732: A flaw in the bundled third-party component OpenSSL library's key handling during
  a TLS handshake that causes a denial of service vulnerability due to key handling during a TLS
  handshake.

  - CVE-2018-0737: A flaw in the library's RSA Key generation algorithm of OpenSSL allows a cache
  timing side channel attack to recover the private key.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers potentially
  to conduct denial-of-service or gain access to potentially sensitive information.");

  script_tag(name:"affected", value:"Tenable Nessus versions prior to version 8.0.0.");

  script_tag(name:"solution", value:"Update to version 8.0.0 or later.");

  script_xref(name:"URL", value:"https://www.tenable.com/security/tns-2018-14");

  exit(0);
}

include("version_func.inc");
include("host_details.inc");

if(isnull(port = get_app_port(cpe:CPE)))
  exit(0);

if(!infos = get_app_version_and_location(cpe:CPE, port:port, exit_no_version:TRUE))
  exit(0);

vers = infos["version"];
path = infos["location"];

if(version_is_less(version:vers, test_version:"8.0.0")) {
  report = report_fixed_ver(installed_version:vers, fixed_version:"8.0.0", install_path:path);
  security_message(data:report, port:port);
  exit(0);
}

exit(99);