Microsoft Internet Explorer Multiple Vulnerabilities (2722913)

# SPDX-FileCopyrightText: 2012 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("1.3.6.1.4.1.25623.1.0.902923");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2012-1526", "CVE-2012-2521", "CVE-2012-2522", "CVE-2012-2523");
  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_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2012-08-15 12:59:29 +0530 (Wed, 15 Aug 2012)");
  script_name("Microsoft Internet Explorer Multiple Vulnerabilities (2722913)");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2722913");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/54945");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/54950");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/54951");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/54952");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-052");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2012 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("gb_ms_ie_detect.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("MS/IE/Version");

  script_tag(name:"impact", value:"Successful exploitation could allow remote attackers to execute arbitrary
  code in the context of the of the current user.");

  script_tag(name:"affected", value:"Microsoft Internet Explorer version 6.x/7.x/8.x/9.x.");

  script_tag(name:"insight", value:"- An error in the layout handling when accessing an improperly initialized
    or deleted object can be exploited to corrupt memory.

  - A use-after-free error when asynchronously accessing NULL objects can be
    exploited to dereference an already deleted object.

  - An error may cause a corrupted virtual function table that has already
    been deleted to be accessed.

  - An integer overflow error in the JavaScript parsing when calculating the
    size of an object in memory during a copy operation can be exploited
    to corrupt memory.");

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_tag(name:"summary", value:"This host is missing a critical security update according to
  Microsoft Bulletin MS12-052.");

  script_tag(name:"qod_type", value:"executable_version");
  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, win2008:3, win7:2) <= 0){
  exit(0);
}

ieVer = get_kb_item("MS/IE/Version");
if(!ieVer || ieVer !~ "^[6-9]\."){
  exit(0);
}

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

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

if(hotfix_check_sp(xp:4) > 0)
{
  if(version_in_range(version:dllVer, test_version:"6.0.2900.0000", test_version2:"6.0.2900.6265")||
     version_in_range(version:dllVer, test_version:"7.0.0000.00000", test_version2:"7.0.6000.17111")||
     version_in_range(version:dllVer, test_version:"7.0.6000.20000", test_version2:"7.0.6000.21313")||
     version_in_range(version:dllVer, test_version:"8.0.6001.18000", test_version2:"8.0.6001.19297")||
     version_in_range(version:dllVer, test_version:"8.0.6001.20000", test_version2:"8.0.6001.23384")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

else if(hotfix_check_sp(win2003:3) > 0)
{
  if(version_in_range(version:dllVer, test_version:"6.0.3790.0000", test_version2:"6.0.3790.5028") ||
     version_in_range(version:dllVer, test_version:"7.0.0000.00000", test_version2:"7.0.6000.17111")||
     version_in_range(version:dllVer, test_version:"7.0.6000.21000", test_version2:"7.0.6000.21313")||
     version_in_range(version:dllVer, test_version:"8.0.6001.18000", test_version2:"8.0.6001.19297")||
     version_in_range(version:dllVer, test_version:"8.0.6001.20000", test_version2:"8.0.6001.23384")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

else if(hotfix_check_sp(winVista:3, win2008:3) > 0)
{
  if(version_in_range(version:dllVer, test_version:"7.0.6002.18000", test_version2:"7.0.6002.18657")||
     version_in_range(version:dllVer, test_version:"7.0.6002.22000", test_version2:"7.0.6002.22884")||
     version_in_range(version:dllVer, test_version:"8.0.6001.18000", test_version2:"8.0.6001.19297")||
     version_in_range(version:dllVer, test_version:"8.0.6001.20000", test_version2:"8.0.6001.23384")||
     version_in_range(version:dllVer, test_version:"9.0.8112.16000", test_version2:"9.0.8112.16447")||
     version_in_range(version:dllVer, test_version:"9.0.8112.20000", test_version2:"9.0.8112.20553")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

else if(hotfix_check_sp(win7:2) > 0)
{
  if(version_in_range(version:dllVer, test_version:"8.0.7600.16000", test_version2:"8.0.7600.17050")||
     version_in_range(version:dllVer, test_version:"8.0.7600.20000", test_version2:"8.0.7600.21244")||
     version_in_range(version:dllVer, test_version:"8.0.7601.16000", test_version2:"8.0.7601.17873")||
     version_in_range(version:dllVer, test_version:"8.0.7601.21000", test_version2:"8.0.7601.22031")||
     version_in_range(version:dllVer, test_version:"9.0.8112.16000", test_version2:"9.0.8112.16447")||
     version_in_range(version:dllVer, test_version:"9.0.8112.20000", test_version2:"9.0.8112.20553")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
}