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openvasCopyright (C) 2011 Greenbone Networks GmbHOPENVAS:1361412562310901181
HistoryFeb 09, 2011 - 12:00 a.m.

Windows Client/Server Run-time Subsystem Privilege Elevation Vulnerability (2476687)

2011-02-0900:00:00
Copyright (C) 2011 Greenbone Networks GmbH
plugins.openvas.org
10

4.7 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:M/Au:N/C:C/I:N/A:N

6.5 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

19.7%

This host is missing a critical security update according to
Microsoft Bulletin MS11-010.

# 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("1.3.6.1.4.1.25623.1.0.901181");
  script_version("2022-04-28T13:38:57+0000");
  script_tag(name:"last_modification", value:"2022-04-28 13:38:57 +0000 (Thu, 28 Apr 2022)");
  script_tag(name:"creation_date", value:"2011-02-09 17:14:46 +0100 (Wed, 09 Feb 2011)");
  script_cve_id("CVE-2011-0030");
  script_tag(name:"cvss_base", value:"4.7");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:N/A:N");
  script_name("Windows Client/Server Run-time Subsystem Privilege Elevation Vulnerability (2476687)");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2476687");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/46142");
  script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2011/0323");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-010");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 Greenbone Networks GmbH");
  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 local attackers to obtain sensitive
  information or gain privileges.");
  script_tag(name:"affected", value:"- Microsoft Windows XP Service Pack 3 and prior

  - Microsoft Windows 2003 Service Pack 2 and prior");
  script_tag(name:"insight", value:"The flaw is caused by an error in the Client/Server Run-time Subsystem(CSRSS)
  when terminating a process when a user logs off, which could allow malicious
  users to monitor the actions of a user who subsequently logged on to the
  system, and collect useful information to try to further compromise the
  affected system.");
  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 MS11-010.");
  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) <= 0){
  exit(0);
}

## MS11-010 Hotfix (2476687)
if(hotfix_missing(name:"2476687") == 0){
  exit(0);
}

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

dllPath = sysPath + "\system32\Csrsrv.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:"5.1.2600.6055")){
      report = report_fixed_ver(installed_version:dllVer, fixed_version:"5.1.2600.6055", 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:"5.2.3790.4803")){
      report = report_fixed_ver(installed_version:dllVer, fixed_version:"5.2.3790.4803", install_path:dllPath);
      security_message(port: 0, data: report);
    }
    exit(0);
  }
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}

4.7 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:M/Au:N/C:C/I:N/A:N

6.5 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

19.7%