Mozilla Firefox ESR Security Advisories (MFSA2021-18, MFSA2021-19) - Windows

# SPDX-FileCopyrightText: 2021 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:mozilla:firefox_esr";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.818109");
  script_version("2024-02-15T05:05:40+0000");
  script_cve_id("CVE-2021-29951");
  script_tag(name:"cvss_base", value:"6.4");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:N");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-06-30 19:33:00 +0000 (Wed, 30 Jun 2021)");
  script_tag(name:"creation_date", value:"2021-05-05 10:32:36 +0530 (Wed, 05 May 2021)");
  script_name("Mozilla Firefox ESR Security Advisories (MFSA2021-18, MFSA2021-19) - Windows");

  script_tag(name:"summary", value:"Mozilla Firefox ESR is prone to a security bypass vulnerability.");

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

  script_tag(name:"insight", value:"The flaw is due to Mozilla maintenance service
  could have been started or stopped by domain users.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers
  to start or stop the service. This could be used to prevent the browser update
  service from operating.");

  script_tag(name:"affected", value:"Mozilla Firefox ESR version before 78.10.1
  on Windows.");

  script_tag(name:"solution", value:"Update to Mozilla Firefox ESR version
  78.10.1 or later. Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"executable_version");
  script_xref(name:"URL", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2021-18/");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("General");
  script_dependencies("gb_firefox_detect_win.nasl", "gb_firefox_detect_portable_win.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("Firefox-ESR/Win/Ver");
  exit(0);
}
include("secpod_reg.inc");
include("smb_nt.inc");
include("secpod_smb_func.inc");
include("host_details.inc");
include("version_func.inc");

if(hotfix_check_sp(win7:2, win7x64:2, win2008r2:2, win8_1:1, win8_1x64:1,win2012:1, win2012R2:1,
                   win10:1, win10x64:1, win2016:1, win2008:3) <= 0){
  exit(0);
}

if(hotfix_check_sp(win10:1, win10x64:1) > 0)
{
  sysPath = smb_get_system32root();
  if(!sysPath)
    exit(0);

  edgeVer = fetch_file_version(sysPath:sysPath, file_name:"edgehtml.dll");
  if(!edgeVer)
    exit(0);

  ##This issue only affected Windows operating systems older than Win 10 build 1709. Other operating systems are unaffected.
  ##https://en.wikipedia.org/wiki/Windows_10_version_history
  if(edgeVer !~ "^11\.0\.1[0123456]")
    exit(0);
}

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

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

if(version_is_less(version:vers, test_version:"78.10.1")) {
  report = report_fixed_ver(installed_version:vers, fixed_version:"78.10.1", install_path:path);
  security_message(port:0, data:report);
  exit(0);
}

exit(99);