Skype 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.902238");
  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-2010-3136");
  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("Skype Insecure Library Loading Vulnerability - Windows");
  script_xref(name:"URL", value:"http://en.securitylab.ru/nvd/397165.php");
  script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/14766/");

  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("General");
  script_dependencies("gb_skype_detect_win.nasl");
  script_mandatory_keys("Skype/Win/Ver");
  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:"Skype version 4.2.0.169 (4.2.169) and prior on Windows.");
  script_tag(name:"insight", value:"The flaw is due to improper validation of search path, which
allows remote attackers to execute arbitrary code and conduct DLL hijacking
attacks via a Trojan horse wab32.dll that is located in the same folder as
a .skype file.");
  script_tag(name:"solution", value:"No known solution was made available for at least one year since the disclosure
  of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer
  release, disable respective features, remove the product or replace the product by another one.");
  script_tag(name:"summary", value:"Skype is prone to insecure library loading vulnerability.");
  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"WillNotFix");
  exit(0);
}


include("version_func.inc");

skypeVer = get_kb_item("Skype/Win/Ver");
if(!skypeVer){
  exit(0);
}

if(version_is_less_equal(version:skypeVer, test_version:"4.2.169")){
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}