Avast Free Antivirus Multiple Vulnerabilities

# Copyright (C) 2017 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:avast:antivirus";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.811020");
  script_version("2022-04-13T11:57:07+0000");
  script_cve_id("CVE-2017-8308", "CVE-2017-8307");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2022-04-13 11:57:07 +0000 (Wed, 13 Apr 2022)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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:"2017-05-05 12:59:15 +0530 (Fri, 05 May 2017)");
  script_name("Avast Free Antivirus Multiple Vulnerabilities");

  script_tag(name:"summary", value:"Avast Free Antivirus 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:"Multiple flaws exist due to design errors in
  the application. Using LPC interface API exposed by the AvastSVC.exe Windows
  service it is possible to delete arbitrary file, replace arbitrary file and
  launch predefined binaries.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers
  to conduct a denial-of-service condition, execute arbitrary code and bypass
  certain security features on the affected system.");

  script_tag(name:"affected", value:"Avast Free Antivirus version prior to
  version 17.0.");

  script_tag(name:"solution", value:"Upgrade to Avast Free Antivirus version
  17.0 or later.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"registry");
  script_xref(name:"URL", value:"https://www.trustwave.com/Resources/Security-Advisories/Advisories/Multiple-Vulnerabilities-in-Avast-Antivirus/?fid=9201");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/98084");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/98086");
  script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
  script_category(ACT_GATHER_INFO);
  script_family("General");
  script_dependencies("gb_avast_av_detect_win.nasl");
  script_mandatory_keys("avast/antivirus_free/detected");

  exit(0);
}

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:"17.0" ) ) {
  report = report_fixed_ver( installed_version:version, fixed_version:"17.0", install_path:location );
  security_message( data:report, port:0 );
  exit( 0 );
}

exit( 99 );