Microsoft Windows OpenType Compact Font Format Driver Privilege Escalation Vulnerability (2296199)

# 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("1.3.6.1.4.1.25623.1.0.900263");
  script_version("2026-04-28T06:28:06+0000");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2010-12-15 14:53:45 +0100 (Wed, 15 Dec 2010)");
  script_cve_id("CVE-2010-3956", "CVE-2010-3957", "CVE-2010-3959");
  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("Microsoft Windows OpenType Compact Font Format Driver Privilege Escalation Vulnerability (2296199)");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2296199");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/45311");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/45315");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/45316");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-091");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_reg_enum.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/registry_enumerated");

  script_tag(name:"impact", value:"Successful exploitation could allow an attacker to run arbitrary code in
  kernel mode.");
  script_tag(name:"affected", value:"- Microsoft Windows 7

  - Microsoft Windows XP Service Pack 3 and prior

  - Microsoft Windows 2003 Service Pack 2 and prior

  - Microsoft Windows Vista Service Pack 1/2 and prior

  - Microsoft Windows Server 2008 Service Pack 1/2 and prior");
  script_tag(name:"insight", value:"The flaw is due to OpenType Font (OTF) driver which does not properly,

  - index an array when parsing OpenType fonts

  - parse the CMAP table when rendering a specially crafted OpenType font

  - reset a pointer when freeing memory, which results in a 'double free'
    condition.");
  script_tag(name:"summary", value:"This host is missing an important security update according to
  Microsoft Bulletin MS10-091.");
  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"VendorFix");
  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, win2003:3, winVista:3, win7:1, win2008:3) <= 0){
  exit(0);
}

if(hotfix_missing(name:"2296199") == 0){
  exit(0);
}

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

dllPath = sysPath + "\system32\atmfd.dll";
share = ereg_replace(pattern:"([A-Z]):.*", replace:"\1$", string:dllPath);
file = ereg_replace(pattern:"[A-Z]:(.*)", replace:"\1", string:dllPath);

dllVer = GetVer(file:file, share:share);
if(!dllVer){
  exit(0);
}

if(hotfix_check_sp(xp:4) > 0)
{
  SP = get_kb_item("SMB/WinXP/ServicePack");
  if(("Service Pack 3" >< SP))
  {
    if(version_is_less(version:dllVer, test_version:"5.1.2.230")){
      report = report_fixed_ver(installed_version:dllVer, fixed_version:"5.1.2.230", install_path:dllPath);
      security_message(port: 0, data: report);
    }
    exit(0);
  }
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}

else if(hotfix_check_sp(win2003:3) > 0)
{
  SP = get_kb_item("SMB/Win2003/ServicePack");
  if("Service Pack 2" >< SP)
  {
    if(version_is_less(version:dllVer, test_version:"5.2.2.230")){
      report = report_fixed_ver(installed_version:dllVer, fixed_version:"5.2.2.230", install_path:dllPath);
      security_message(port: 0, data: report);
    }
     exit(0);
  }
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}

else if(hotfix_check_sp(winVista:3, win7:1, win2008:3) > 0)
{
  if(version_is_less(version:dllVer, test_version:"5.1.2.230"))
  {
    report = report_fixed_ver(installed_version:dllVer, fixed_version:"5.1.2.230", install_path:dllPath);
    security_message(port: 0, data: report);
    exit(0);
  }
}