Vulnerability in Windows Services for UNIX Could Allow Elevation of Privilege (939778)

# SPDX-FileCopyrightText: 2011 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("1.3.6.1.4.1.25623.1.0.801723");
  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:"2011-01-18 10:00:48 +0100 (Tue, 18 Jan 2011)");
  script_cve_id("CVE-2007-3036");
  script_tag(name:"cvss_base", value:"6.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_name("Vulnerability in Windows Services for UNIX Could Allow Elevation of Privilege (939778)");
  script_xref(name:"URL", value:"http://securitytracker.com/alerts/2007/Sep/1018678.html");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/25620");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-053");

  script_tag(name:"qod_type", value:"executable_version");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 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 allows remote attackers to execute arbitrary code with
  escalated privileges by running a specially crafted setuid binary.");
  script_tag(name:"affected", value:"- Microsoft Windows XP Service Pack 2 and prior

  - Microsoft Windows 2000 Service Pack 4 and prior

  - Microsoft Windows 2K3 Service Pack 2 and prior

  - Microsoft Windows Vista");
  script_tag(name:"insight", value:"The flaw is due to an unspecified error in Windows Services for UNIX
  and the Subsystem for UNIX-based Applications component when handling connection
  credentials for setuid binaries.");
  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"summary", value:"This host is missing a critical security update according to
  Microsoft Bulletin MS07-053.");
  exit(0);
}

include("smb_nt.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("secpod_smb_func.inc");

if(hotfix_check_sp(win2k:5, xp:4, win2003:3, winVista:3) <= 0){
  exit(0);
}

if(hotfix_missing(name:"939778") == 0){
  exit(0);
}

sysPath = registry_get_sz(key:"SOFTWARE\Microsoft\COM3\Setup",
                          item:"Install Path");
if(sysPath)
{
  exeVer = fetch_file_version(sysPath:sysPath, file_name:"posix.exe");
  if(exeVer)
  {
    if(hotfix_check_sp(win2k:5, xp:4) > 0)
    {
      if(version_in_range(version:exeVer, test_version:"7.0", test_version2:"7.0.1701.45") ||
         version_in_range(version:exeVer, test_version:"8.0", test_version2:"8.0.1969.57")){
        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 1" >< SP)
      {
        if(version_in_range(version:exeVer, test_version:"7.0", test_version2:"7.0.1701.45") ||
           version_in_range(version:exeVer, test_version:"8.0", test_version2:"8.0.1969.57") ||
           version_in_range(version:exeVer, test_version:"9.0", test_version2:"9.0.3790.2982")){
          security_message( port: 0, data: "The target host was found to be vulnerable" );
        }
         exit(0);
      }
      if("Service Pack 2" >< SP)
      {
        if(version_in_range(version:exeVer, test_version:"7.0", test_version2:"7.0.1701.45") ||
           version_in_range(version:exeVer, test_version:"8.0", test_version2:"8.0.1969.57") ||
           version_in_range(version:exeVer, test_version:"9.0", test_version2:"9.0.3790.4124")){
          security_message( port: 0, data: "The target host was found to be vulnerable" );
        }
         exit(0);
      }
    }
  }
}

sysPath = registry_get_sz(key:"SOFTWARE\Microsoft\Windows NT\CurrentVersion",
                      item:"PathName");
if(!sysPath){
  exit(0);
}

exeVer = fetch_file_version(sysPath:sysPath, file_name:"posix.exe");
if(!exeVer){
  exit(0);
}

if(hotfix_check_sp(winVista:3) > 0)
{
  if(version_is_less(version:exeVer, test_version:"6.0.6000.16543")){
      security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}