Node.js 'path' Module Regular Expression Denial-of-Service Vulnerability - Mac OS X

# 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:nodejs:node.js";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.813481");
  script_version("2025-09-19T15:40:40+0000");
  script_cve_id("CVE-2018-7158");
  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:"last_modification", value:"2025-09-19 15:40:40 +0000 (Fri, 19 Sep 2025)");
  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:"2020-02-13 16:51:00 +0000 (Thu, 13 Feb 2020)");
  script_tag(name:"creation_date", value:"2018-07-10 11:52:07 +0530 (Tue, 10 Jul 2018)");
  script_tag(name:"qod_type", value:"executable_version");
  script_name("Node.js 'path' Module Regular Expression Denial-of-Service Vulnerability - Mac OS X");

  script_tag(name:"summary", value:"Node.js is prone to a denial of service (DoS) vulnerability.");

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

  script_tag(name:"insight", value:"The flaw exists due to a structure error in
  the regular expression 'splitPathRe' used within the 'path' module for the various
  path parsing functions, including path.dirname(), path.extname() and path.parse()");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to conduct denial of service attack.");

  script_tag(name:"affected", value:"Node.js versions 4.x prior to 4.9.0");

  script_tag(name:"solution", value:"Upgrade to Node.js version 4.9.0 or later. Please see the references for more information.");

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

  script_xref(name:"URL", value:"https://nodejs.org/en/blog/vulnerability/march-2018-security-releases");

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("Denial of Service");
  script_dependencies("gb_nodejs_detect_macosx.nasl");
  script_mandatory_keys("Nodejs/MacOSX/Ver");
  exit(0);

}

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

if( isnull( appPort = get_app_port( cpe:CPE ) ) ) exit( 0 );
if( ! infos = get_app_version_and_location( cpe:CPE, port:appPort, exit_no_version:TRUE ) ) exit( 0 );
nodejsVer = infos["version"];
appPath = infos["location"];

if(nodejsVer =~ "^4\." && version_is_less(version:nodejsVer, test_version:"4.9.0"))
{
  report = report_fixed_ver(installed_version:nodejsVer, fixed_version:"4.9.0", install_path:appPath);
  security_message(port:appPort, data:report);
  exit(0);
}
exit(0);