Microsoft WinVerifyTrust Signature Validation Vulnerability (2893294)

# SPDX-FileCopyrightText: 2013 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("1.3.6.1.4.1.25623.1.0.903228");
  script_version("2026-04-28T06:28:06+0000");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2013-3900");
  script_tag(name:"cvss_base", value:"7.6");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2025-01-02 19:15:09 +0000 (Thu, 02 Jan 2025)");
  script_tag(name:"creation_date", value:"2013-12-11 10:31:03 +0530 (Wed, 11 Dec 2013)");
  script_name("Microsoft WinVerifyTrust Signature Validation Vulnerability (2893294)");


  script_tag(name:"summary", value:"This host is missing a critical security update according to Microsoft
Bulletin MS13-098.");
  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
  script_tag(name:"insight", value:"Flaw is due to WinVerifyTrust function which does not properly handles the
Windows Authenticode signature verification for portable executable(PE) files.");
  script_tag(name:"affected", value:"- Microsoft Windows XP Service Pack 3 and prior

  - Microsoft Windows XP x64 Edition Service Pack 2 and prior

  - Microsoft Windows 2003 x32/x64 Service Pack 2 and prior

  - Microsoft Windows Vista x32/x64 Service Pack 2 and prior

  - Microsoft Windows Server 2008 x32/x64 Service Pack 2 and prior

  - Microsoft Windows 7 x32/x64 Service Pack 1 and prior

  - Microsoft Windows Server 2008 R2 x64 Service Pack 1 and prior

  - Microsoft Windows 8 x32/x64

  - Microsoft Windows 8.1 x32/x64

  - Microsoft Windows Server 2012

  - Microsoft Windows Server 2012 R2");
  script_tag(name:"impact", value:"Successful exploitation will allow attackers to execute arbitrary code or
cause a denial of service condition.");
  script_tag(name:"qod_type", value:"executable_version");
  script_tag(name:"solution_type", value:"VendorFix");

  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2893294");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/64079");
  script_xref(name:"URL", value:"https://technet.microsoft.com/en-us/security/bulletin/ms13-098");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2013 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("smb_reg_service_pack.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");
  exit(0);
}


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

if(hotfix_check_sp(xp:4, xpx64:3, win2003:3, win2003x64:3, winVista:3, winVistax64:3,
                   win7:2, win7x64:2, win2008:3, win2008x64:3, win2008r2:2,
                   win8:1, win8x64:1, win2012:1, win8_1:1, win8_1x64:1) <= 0){
  exit(0);
}

sysPath = smb_get_systemroot();
if(!sysPath ){
  exit(0);
}

sysVer = fetch_file_version(sysPath:sysPath, file_name:"system32\Imagehlp.dll");
if(!sysVer){
  exit(0);
}

if(hotfix_check_sp(xp:4) > 0)
{
  if(version_is_less(version:sysVer, test_version:"5.1.2600.6479")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

else if(hotfix_check_sp(win2003:3, xpx64:3, win2003x64:3) > 0)
{
  if(version_is_less(version:sysVer, test_version:"5.2.3790.5240")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

## Currently not supporting for Vista and Windows Server 2008 64 bit
else if(hotfix_check_sp(winVista:3, win2008:3) > 0)
{
  if(version_is_less(version:sysVer, test_version:"6.0.6002.18971") ||
     version_in_range(version:sysVer, test_version:"6.0.6002.23000", test_version2:"6.0.6002.23247")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

else if(hotfix_check_sp(win7:2, win7x64:2, win2008r2:2) > 0)
{
  if(version_is_less(version:sysVer, test_version:"6.1.7601.18288") ||
     version_in_range(version:sysVer, test_version:"6.1.7601.22000", test_version2:"6.1.7601.22483")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

## Win 8 and 2012
else if(hotfix_check_sp(win8:1, win8x64:1, win2012:1) > 0)
{
  if(version_is_less(version:sysVer, test_version:"6.2.9200.16745") ||
     version_in_range(version:sysVer, test_version:"6.2.9200.20000", test_version2:"6.2.9200.20855")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

## Win 8.1
## Currently not supporting for Windows Server 2012 R2
else if(hotfix_check_sp(win8_1:1, win8_1x64:1) > 0)
{
  if(version_is_less(version:sysVer, test_version:"6.3.9600.16438")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}