9.4 High
AI Score
Confidence
High
10 High
CVSS2
Access Vector
NETWORK
Access 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
0.973 High
EPSS
Percentile
99.8%
This host is missing a critical security update according to
Microsoft Bulletin MS09-050.
# Copyright (C) 2009 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("1.3.6.1.4.1.25623.1.0.900965");
script_version("2022-09-20T10:11:40+0000");
script_tag(name:"last_modification", value:"2022-09-20 10:11:40 +0000 (Tue, 20 Sep 2022)");
script_tag(name:"creation_date", value:"2009-10-15 12:43:47 +0200 (Thu, 15 Oct 2009)");
script_cve_id("CVE-2009-2526", "CVE-2009-2532", "CVE-2009-3103");
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_name("Microsoft Windows SMB2 Negotiation Protocol Remote Code Execution Vulnerability");
script_category(ACT_ATTACK);
script_family("Windows : Microsoft Bulletins");
script_copyright("Copyright (C) 2009 Greenbone Networks GmbH");
script_dependencies("os_detection.nasl");
script_require_ports(139, 445);
script_mandatory_keys("Host/runs_windows");
script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-050");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/36299");
script_tag(name:"impact", value:"An attacker can exploit this issue to execute code with SYSTEM-level
privileges. Failed exploit attempts will likely cause denial-of-service conditions.");
script_tag(name:"affected", value:"- Microsoft Windows 7 RC
- Microsoft Windows Vista
- Microsoft Windows 2008 Server");
script_tag(name:"insight", value:"The following vulnerabilities exist:
- A denial of service vulnerability exists in the way that Microsoft Server
Message Block (SMB) Protocol software handles specially crafted SMB version 2 (SMBv2) packets.
- Unauthenticated remote code execution vulnerability exists in the way
that Microsoft Server Message Block (SMB) Protocol software handles specially crafted SMB packets.");
script_tag(name:"summary", value:"This host is missing a critical security update according to
Microsoft Bulletin MS09-050.");
script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
script_tag(name:"qod_type", value:"remote_app");
script_tag(name:"solution_type", value:"VendorFix");
exit(0);
}
include("smb_nt.inc");
port = kb_smb_transport();
if( ! port ) port = 445;
if( ! get_port_state( port ) ) exit( 0 );
soc = open_sock_tcp( port );
if( ! soc ) exit( 0 );
data = raw_string( 0x00,0x00,0x00,0x90,0xff,0x53,0x4d,0x42,0x72,0x00,0x00,0x00,0x00,0x18,0x53,0xc8,
0x05,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xfe,
0x00,0x00,0x00,0x00,0x00,0x6d,0x00,0x02,0x50,0x43,0x20,0x4e,0x45,0x54,0x57,0x4f,
0x52,0x4b,0x20,0x50,0x52,0x4f,0x47,0x52,0x41,0x4d,0x20,0x31,0x2e,0x30,0x00,0x02,
0x4c,0x41,0x4e,0x4d,0x41,0x4e,0x31,0x2e,0x30,0x00,0x02,0x57,0x69,0x6e,0x64,0x6f,
0x77,0x73,0x20,0x66,0x6f,0x72,0x20,0x57,0x6f,0x72,0x6b,0x67,0x72,0x6f,0x75,0x70,
0x73,0x20,0x33,0x2e,0x31,0x61,0x00,0x02,0x4c,0x4d,0x31,0x2e,0x32,0x58,0x30,0x30,
0x32,0x00,0x02,0x4c,0x41,0x4e,0x4d,0x41,0x4e,0x32,0x2e,0x31,0x00,0x02,0x4e,0x54,
0x20,0x4c,0x4d,0x20,0x30,0x2e,0x31,0x32,0x00,0x02,0x53,0x4d,0x42,0x20,0x32,0x2e,
0x30,0x30,0x32,0x00 );
send( socket:soc, data:data );
resp = smb_recv( socket:soc );
close( soc );
# '0xff' -> SMBv1 - Windows XP Professional, Version 202, SP3
# '0xff' -> SMBv1 - Samba 3.0.33
# '0xfe' -> SMBv2 - Windows Server@enterprise (2008), SP
# After applying patch, strlen(resp) is > 77
if( resp ) {
if( strlen( resp ) < 9 ) exit( 0 );
if( ord( resp[4]) == 255 && ord( resp[5] ) == 83 && ord( resp[6] ) == 77 && ord( resp[7] ) == 66 &&
ord( resp[8] ) == 114 && strlen( resp ) == 77 ) {
security_message( port:port );
exit( 0 );
}
exit( 99 );
}
exit( 0 );