Avast Antivirus File Opening Insecure Library Loading Vulnerability - Windows

# SPDX-FileCopyrightText: 2010 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:avast:antivirus";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.902241");
  script_version("2025-03-05T05:38:52+0000");
  script_tag(name:"last_modification", value:"2025-03-05 05:38:52 +0000 (Wed, 05 Mar 2025)");
  script_tag(name:"creation_date", value:"2010-09-01 09:34:36 +0200 (Wed, 01 Sep 2010)");
  script_cve_id("CVE-2010-3126");
  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_name("Avast Antivirus File Opening Insecure Library Loading Vulnerability - Windows");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("General");
  script_dependencies("gb_avast_av_detect_win.nasl");
  script_mandatory_keys("avast/antivirus/detected");

  script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/14743");

  script_tag(name:"impact", value:"Successful exploitation will allow the attackers to execute
  arbitrary code and conduct DLL hijacking attacks.");

  script_tag(name:"affected", value:"Avast Antivirus version 5.0.594 and prior.");

  script_tag(name:"insight", value:"The flaw is due to the application insecurely loading certain
  libraries from the current working directory, which could allow attackers
  to execute arbitrary code by tricking a user into opening a license file.");

  script_tag(name:"solution", value:"Upgrade to Avast Antivirus version 5.0.677 or later.");

  script_tag(name:"summary", value:"Avast AntiVirus is prone to insecure library loading vulnerability.");

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

  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:"5.0.677" ) ) {
  report = report_fixed_ver( installed_version:version, fixed_version:"5.0.677", install_path:location );
  security_message(port: 0, data: report);
  exit( 0 );
}

exit( 99 );