WinAsm Studio Buffer Overflow Vulnerability

# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.900532");
  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:"2009-03-26 11:19:12 +0100 (Thu, 26 Mar 2009)");
  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_cve_id("CVE-2009-1040");
  script_name("WinAsm Studio Buffer Overflow Vulnerability");
  script_xref(name:"URL", value:"http://secunia.com/advisories/34309");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/34132");
  script_xref(name:"URL", value:"http://www.milw0rm.com/exploits/8224");
  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/49266");

  script_tag(name:"qod_type", value:"executable_version");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Buffer overflow");
  script_dependencies("smb_reg_service_pack.nasl");
  script_mandatory_keys("SMB/WindowsVersion");
  script_require_ports(139, 445);
  script_tag(name:"affected", value:"WinAsm Studio version 5.1.5.0 and prior.");
  script_tag(name:"insight", value:"Improper boundary checking while handling project files which leads to
  heap overflow while processing crafted '.wap' files.");
  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:"WinAsm Studio is prone to a heap overflow vulnerability.");
  script_tag(name:"impact", value:"Successful exploitation will let the attacker execute arbitrary codes in
  the context of the application to cause heap overflow.");
  script_tag(name:"solution_type", value:"WillNotFix");
  script_xref(name:"URL", value:"http://www.winasm.net");
  exit(0);
}

include("smb_nt.inc");
include("version_func.inc");
include("secpod_smb_func.inc");

if(!get_kb_item("SMB/WindowsVersion")){
  exit(0);
}

progDir = registry_get_sz(key:"SOFTWARE\Microsoft\Windows\CurrentVersion\",
                           item:"ProgramFilesDir");
if(!progDir){
  exit(0);
}

winasmPath1 = progDir + "\WinAsm\WinAsm.exe";
winasmPath2 = progDir - "Program Files" + "\WinAsm\WinAsm.exe";

foreach path (make_list(winasmPath1, winasmPath2))
{
  share = ereg_replace(pattern:"([A-Z]):.*",replace:"\1$",string:path);
  file = ereg_replace(pattern:"[A-Z]:(.*)",replace:"\1",string:path);
  version = GetVer(file:file, share:share);
  if(version != NULL)
  {
    if(version_is_less_equal(version:version, test_version:"5.1.5.0")){
      security_message( port: 0, data: "The target host was found to be vulnerable" );
    }
    exit(0);
  }
}