CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
98.4%
This host is missing a critical security update according to
Microsoft Bulletin MS11-040
# Copyright (C) 2011 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.902444");
script_version("2024-07-25T05:05:41+0000");
script_tag(name:"last_modification", value:"2024-07-25 05:05:41 +0000 (Thu, 25 Jul 2024)");
script_tag(name:"creation_date", value:"2011-06-15 15:55:00 +0200 (Wed, 15 Jun 2011)");
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-2011-1889");
script_tag(name:"cvss_base", value:"10.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2024-07-24 14:30:00 +0000 (Wed, 24 Jul 2024)");
script_name("Microsoft Windows Threat Management Gateway Firewall Client Remote Code Execution Vulnerability (2520426)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2011 Greenbone Networks GmbH");
script_family("Windows : Microsoft Bulletins");
script_dependencies("smb_reg_service_pack.nasl");
script_mandatory_keys("SMB/WindowsVersion");
script_require_ports(139, 445);
script_xref(name:"URL", value:"http://support.microsoft.com/kb/2520426");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/48181");
script_xref(name:"URL", value:"https://technet.microsoft.com/en-us/security/bulletin/ms11-040");
script_tag(name:"summary", value:"This host is missing a critical security update according to
Microsoft Bulletin MS11-040");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw is due to error when setting proper bounds to the
'NSPLookupServiceNext()' function, that allow remote code execution if an attacker leveraged a
client computer to make specific requests on a system where the TMG firewall client is used.");
script_tag(name:"impact", value:"Successful exploitation could allow remote attackers to execute
arbitrary code in the context of the application. Failed exploit attempts will result in
denial-of-service conditions.");
script_tag(name:"affected", value:"Microsoft Forefront Threat Management Gateway 2010 SP1 and prior.");
script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
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");
key = "SOFTWARE\Microsoft\";
if(!registry_key_exists(key:key)) {
exit(0);
}
foreach item (registry_enum_keys(key:key))
{
sysPath = registry_get_sz(key:key + item, item:"InstallRoot");
if("Forefront TMG Client" >< sysPath)
{
dllVer = fetch_file_version(sysPath:sysPath, file_name:"Fwcmgmt.exe");
if(!dllVer){
exit(0);
}
if(version_is_less(version:dllVer, test_version:"7.0.7734.182"))
{
report = report_fixed_ver(installed_version:dllVer, fixed_version:"7.0.7734.182", install_path:sysPath);
security_message(port: 0, data: report);
exit(0);
}
}
}
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
98.4%