Microsoft PowerShell Core 6.0 <= 6.0.4 / 6.1 Multiple Vulnerabilities - Windows

# 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:microsoft:powershell";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.814181");
  script_version("2023-07-20T05:05:18+0000");
  script_cve_id("CVE-2018-8256", "CVE-2018-8415");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2023-07-20 05:05:18 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
  script_tag(name:"creation_date", value:"2018-11-15 10:46:47 +0530 (Thu, 15 Nov 2018)");
  script_name("Microsoft PowerShell Core 6.0 <= 6.0.4 / 6.1 Multiple Vulnerabilities - Windows");

  script_tag(name:"summary", value:"PowerShell Core 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:"A remote code execution vulnerability exists when PowerShell
  improperly handles specially crafted files.

  A tampering vulnerability exists in PowerShell that could allow an attacker to execute unlogged
  code.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to execute malicious
  code on a vulnerable system and to bypass certain security restrictions and perform unauthorized
  actions.");

  script_tag(name:"affected", value:"PowerShell Core versions 6.0 to 6.0.4 and 6.1.");

  script_tag(name:"solution", value:"Update to version 6.0.5, 6.1.1 or later.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"registry");
  script_xref(name:"URL", value:"https://www.securitytracker.com/id/1042108");
  script_xref(name:"URL", value:"https://github.com/PowerShell/Announcements/issues/8");
  script_xref(name:"URL", value:"https://github.com/PowerShell/Announcements/issues/9");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("General");
  script_dependencies("gb_powershell_core_detect_win.nasl");
  script_mandatory_keys("PowerShell/Win/Ver");
  exit(0);
}

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

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

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

if(vers == "6.1")
  fix = "6.1.1";

else if(version_in_range(version:vers, test_version:"6.0", test_version2:"6.0.4"))
  fix = "6.0.5";

if(fix) {
  report = report_fixed_ver(installed_version:vers, fixed_version:fix, install_path:path);
  security_message(port:0, data:report);
  exit(0);
}

exit(99);