Microsoft Windows SSL/TLS Information Disclosure Vulnerability (2643584)

# 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("1.3.6.1.4.1.25623.1.0.902900");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2011-3389");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2012-01-11 09:47:46 +0530 (Wed, 11 Jan 2012)");
  script_name("Microsoft Windows SSL/TLS Information Disclosure Vulnerability (2643584)");
  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2585542");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/49778");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-006");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2012 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 of this issue may allow attackers to perform limited
  man-in-the-middle attacks to inject data into the beginning of the application protocol stream to execute HTTP
  transactions, bypass authentication.");

  script_tag(name:"affected", value:"- Microsoft Windows 7 Service Pack 1 and prior

  - Microsoft Windows XP Service Pack 3 and prior

  - Microsoft Windows 2K3 Service Pack 2 and prior

  - Microsoft Windows Vista Service Pack 1/2 and prior

  - Microsoft Windows Server 2008 Service Pack 1/2 and prior");

  script_tag(name:"insight", value:"A flaw exists is due to an error in Microsoft Windows SChannel (Secure Channel),
  when modifying the way that the Windows Secure Channel (SChannel) component sends and receives encrypted network packets.");

  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 an important security update according to
  Microsoft Bulletin MS12-006.");

  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, win7:2, win2008:3) <= 0){
  exit(0);
}

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

if(hotfix_check_sp(win2003:3) > 0)
{
  if(hotfix_missing(name:"2585542") == 1)
  {
    sysVer = fetch_file_version(sysPath:sysPath, file_name:"system32\Schannel.dll");
    if(sysVer)
    {
      SP = get_kb_item("SMB/Win2003/ServicePack");
      if("Service Pack 2" >< SP)
      {
        if(version_is_less(version:sysVer, test_version:"5.2.3790.4935")){
          security_message( port: 0, data: "The target host was found to be vulnerable" );
        }
        exit(0);
      }
      security_message( port: 0, data: "The target host was found to be vulnerable" );
    }
  }
  else if(hotfix_missing(name:"2638806") == 1)
  {
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
  exit(0);
}

if(hotfix_missing(name:"2585542") == 0){
  exit(0);
}

sysVer = fetch_file_version(sysPath:sysPath, file_name:"system32\Schannel.dll");
if(!sysVer){
  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:sysVer, test_version:"5.1.2600.6175")){
      security_message( port: 0, data: "The target host was found to be vulnerable" );
    }
    exit(0);
  }
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}

else if(hotfix_check_sp(winVista:3, win2008:3) > 0)
{
  SP = get_kb_item("SMB/WinVista/ServicePack");
  if(!SP){
    SP = get_kb_item("SMB/Win2008/ServicePack");
  }

  if("Service Pack 2" >< SP)
  {
    if(version_in_range(version:sysVer, test_version:"6.0.6002.18000", test_version2:"6.0.6002.18540")||
       version_in_range(version:sysVer, test_version:"6.0.6002.22000", test_version2:"6.0.6002.22741")){
      security_message( port: 0, data: "The target host was found to be vulnerable" );
    }
    exit(0);
  }
  security_message( port: 0, data: "The target host was found to be vulnerable" );
}

else if(hotfix_check_sp(win7:2) > 0)
{
  if(version_is_less(version:sysVer, test_version:"6.1.7600.16915") ||
     version_in_range(version:sysVer, test_version:"6.1.7600.21000", test_version2:"6.1.7600.21091") ||
     version_in_range(version:sysVer, test_version:"6.1.7601.17000", test_version2:"6.1.7601.17724") ||
     version_in_range(version:sysVer, test_version:"6.1.7601.21000", test_version2:"6.1.7601.21860")){
    security_message( port: 0, data: "The target host was found to be vulnerable" );
  }
}