Zoom Client < 5.12.6 DLL Injection Vulnerability (ZSB-22027)

# Copyright (C) 2022 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

CPE = "cpe:/a:zoom:zoom";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.104424");
  script_version("2023-10-19T05:05:21+0000");
  script_tag(name:"last_modification", value:"2023-10-19 05:05:21 +0000 (Thu, 19 Oct 2023)");
  script_tag(name:"creation_date", value:"2022-11-16 11:32:48 +0000 (Wed, 16 Nov 2022)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-11-22 16:14:00 +0000 (Tue, 22 Nov 2022)");

  script_cve_id("CVE-2022-28766");

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

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

  script_name("Zoom Client < 5.12.6 DLL Injection Vulnerability (ZSB-22027)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2022 Greenbone Networks GmbH");
  script_family("General");
  script_dependencies("gb_zoom_client_smb_login_detect.nasl");
  script_mandatory_keys("zoom/client/win/detected", "SMB/Windows/Arch");

  script_tag(name:"summary", value:"The Zoom Client is prone to a DLL injection vulnerability.");

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

  script_tag(name:"insight", value:"Windows 32-bit versions of the Zoom Client are susceptible to a
  DLL injection vulnerability.");

  script_tag(name:"impact", value:"A local low-privileged user could exploit this vulnerability to
  run arbitrary code in the context of the Zoom client.");

  script_tag(name:"affected", value:"Zoom Client prior to version 5.12.6 on Windows (32-bit).");

  script_tag(name:"solution", value:"Update to version 5.12.6 or later.");

  script_xref(name:"URL", value:"https://explore.zoom.us/en/trust/security/security-bulletin/");

  exit(0);
}

if(!os_arch = get_kb_item("SMB/Windows/Arch"))
  exit(0);

if("x86" >!< os_arch)
  exit(99);

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

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

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

if (version_is_less(version: version, test_version: "5.12.6")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.12.6", install_path: location);
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);