Vulnerabilities > CVE-2009-2496 - Improper Restriction of Operations Within the Bounds of A Memory Buffer vulnerability in Microsoft products

047910
CVSS 9.3 - CRITICAL
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
network
microsoft
CWE-119
critical
nessus
NVD
Published: 2009-08-12
Updated: 2018-10-12

Summary

Heap-based buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 SP1, and Office Small Business Accounting 2006 allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Office Web Components Heap Corruption Vulnerability."

Vulnerable Configurations

Part Description Count
Application
Microsoft
13

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Overflow Buffers
    Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
  • Client-side Injection-induced Buffer Overflow
    This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
  • Filter Failure through Buffer Overflow
    In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
  • MIME Conversion
    An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.

Msbulletin

bulletin_idMS09-043
bulletin_url
date2009-08-11T00:00:00
impactRemote Code Execution
knowledgebase_id957638
knowledgebase_url
severityCritical
titleVulnerabilities in Microsoft Office Web Components Could Allow Remote Code Execution

Nessus

NASL familyWindows : Microsoft Bulletins
NASL idSMB_NT_MS09-043.NASL
descriptionThe remote host is running a version of Microsoft Office Web Components that is affected by various flaws that may allow arbitrary code to be run. To succeed, the attacker would have to send specially crafted URLs to a user of the remote computer and have him process it with Microsoft Office Web Components.
last seen2020-06-01
modified2020-06-02
plugin id40562
published2009-08-11
reporterThis script is Copyright (C) 2009-2018 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/40562
titleMS09-043: Vulnerabilities in Microsoft Office Web Components Could Allow Remote Code Execution (957638)
code
#
# (C) Tenable Network Security, Inc.
#


include("compat.inc");

if (description)
{
 script_id(40562);
 script_version("1.32");
 script_cvs_date("Date: 2018/11/15 20:50:30");

 script_cve_id("CVE-2009-0562", "CVE-2009-2496", "CVE-2009-1136", "CVE-2009-1534");
 script_bugtraq_id(35642, 35990, 35991, 35992);
 script_xref(name:"IAVA", value:"2009-A-0069");
 script_xref(name:"MSFT", value:"MS09-043");
 script_xref(name:"MSKB", value:"947318");
 script_xref(name:"MSKB", value:"947319");
 script_xref(name:"MSKB", value:"947320");
 script_xref(name:"MSKB", value:"947826");
 script_xref(name:"MSKB", value:"968377");
 script_xref(name:"MSKB", value:"969172");
 script_xref(name:"Secunia", value:"35800");
 script_xref(name:"EDB-ID", value:"9163");
 script_xref(name:"EDB-ID", value:"16537");
 script_xref(name:"EDB-ID", value:"16542");

 script_name(english:"MS09-043: Vulnerabilities in Microsoft Office Web Components Could Allow Remote Code Execution (957638)");
 script_summary(english:"Determines the version of MSO.dll");

 script_set_attribute(attribute:"synopsis", value:
"Arbitrary code can be executed on the remote host through Microsoft
Office Web Components.");
 script_set_attribute(attribute:"description", value:
"The remote host is running a version of Microsoft Office Web
Components that is affected by various flaws that may allow arbitrary
code to be run.

To succeed, the attacker would have to send specially crafted URLs to
a user of the remote computer and have him process it with Microsoft
Office Web Components.");
 script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2009/ms09-043");
 script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Office XP and 2003, as
well as for Microsoft ISA server.");
 script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
 script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
 script_set_attribute(attribute:"exploit_available", value:"true");
 script_set_attribute(attribute:"exploit_framework_core", value:"true");
 script_set_attribute(attribute:"exploited_by_malware", value:"true");
 script_set_attribute(attribute:"metasploit_name", value:'Microsoft OWC Spreadsheet HTMLURL Buffer Overflow');
 script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
 script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
 script_set_attribute(attribute:"canvas_package", value:'D2ExploitPack');
 script_cwe_id(94, 119, 399);

 script_set_attribute(attribute:"vuln_publication_date", value:"2009/07/13");
 script_set_attribute(attribute:"patch_publication_date", value:"2009/08/11");
 script_set_attribute(attribute:"plugin_publication_date", value:"2009/08/11");

 script_set_attribute(attribute:"plugin_type", value:"local");
 script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:biztalk_server");
 script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:isa_server");
 script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office");
 script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office_web_components");
 script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:visual_studio_.net");
 script_set_attribute(attribute:"stig_severity", value:"II");
 script_end_attributes();

 script_category(ACT_GATHER_INFO);
 script_family(english:"Windows : Microsoft Bulletins");

 script_copyright(english:"This script is Copyright (C) 2009-2018 Tenable Network Security, Inc.");

 script_dependencies("smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl");
 script_require_keys("SMB/MS_Bulletin_Checks/Possible");
 script_require_ports(139, 445, 'Host/patch_management_checks');
 exit(0);
}


include("smb_func.inc");
include("smb_hotfixes.inc");
include("smb_hotfixes_fcheck.inc");
include("smb_activex_func.inc");
include("misc_func.inc");
include("audit.inc");


get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = 'MS09-043';
kbs = make_list("947318", "947319", "947320", "947826", "968377", "969172");
if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);


vuln = FALSE;
get_kb_item_or_exit('SMB/WindowsVersion');
path = get_kb_item("SMB/Registry/HKLM/SOFTWARE/Microsoft/Fpc");
if ( path )
{
  # This is MS ISA

  if (activex_init() != ACX_OK) exit(1, "Could not initialize the ActiveX checks");
  hcf_init = TRUE;

  # Test each control.
  info = NULL;
  clsids = make_list(
   "{0002E543-0000-0000-C000-000000000046}",
   "{0002E55B-0000-0000-C000-000000000046}"
  );

  foreach clsid (clsids)
  {
    file = activex_get_filename(clsid:clsid);
    if (file)
    {
      if (activex_get_killbit(clsid:clsid) == 0)
      {
        version = activex_get_fileversion(clsid:clsid);
        if (!version) version = "Unknown";

        info =
          '\n' +
          '  Class Identifier : ' + clsid + '\n' +
          '  Filename         : ' + file + '\n' +
          '  Version          : ' + version + '\n';
        if (!thorough_tests) break;
      }
    }
  }

  if (!isnull(info))
  {
    vuln = TRUE;
    hotfix_add_report(info, bulletin:bulletin, kb:'947826');
  }
  RegCloseKey(handle:_acx_hklm);
}

if (!path)
{
  login  = kb_smb_login();
  pass   = kb_smb_password();
  domain = kb_smb_domain();
  port   = kb_smb_transport();

  if(! smb_session_init()) audit(AUDIT_FN_FAIL, "smb_session_init");

  rc = NetUseAdd(login:login, password:pass, domain:domain, share:'IPC$');
  if (rc != 1)
  {
    NetUseDel();
    audit(AUDIT_SHARE_FAIL, "IPC$");
  }
  hcf_init = TRUE;
}

hklm = RegConnectRegistry(hkey:HKEY_LOCAL_MACHINE);
if (isnull(hklm))
{
  NetUseDel();
  audit(AUDIT_REG_FAIL);
}

# Visual Studio .Net
vs_dll = NULL;
vs_path = NULL;
key = 'SOFTWARE\\Microsoft\\VisualStudio\\7.1';
key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if (!isnull(key_h))
{
  item = RegQueryValue(handle:key_h, item:'InstallDir');
  if (!isnull(item))
  {
    rootfile = hotfix_get_programfilesdir();
    vs_dll = ereg_replace(pattern:'^[A-Za-z]:(.*)', replace:'\\1\\Microsoft Office\\Office\\msowc.dll', string:rootfile);
    vs_path = rootfile + '\\Microsoft Office\\Office';
  }
  RegCloseKey(handle:key_h);
}

# Microsoft Small Business Acounting 2006
sba_dll = NULL;
sba_path = NULL;
key = 'SOFTWARE\\Microsoft\\Small Business Accounting\\1.0\\InstallRoot';
key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if (!isnull(key_h))
{
  item = RegQueryValue(handle:key_h, item:'Main');
  if (!isnull(item))
  {
    rootfiles = hotfix_get_officecommonfilesdir();
    checkeddirs = make_array();
    if (typeof(rootfiles) != 'array')
    {
      temp = rootfiles;
      rootfiles = make_array('commonfiles', temp);
    }
    foreach item (keys(rootfiles))
    {
      rootfile = rootfiles[item];
      if (checkeddirs[item]) continue;
      checkeddirs[item] = 1;
      sba_dll = ereg_replace(pattern:'^[A-Za-z]:(.*)', replace:'\\1\\Microsoft Shared\\Web Components', string:rootfile);
      sba_dll += '\\11\\Owc11.dll';
      sba_path = rootfile + '\\Microsoft Shared\\Web Components\\';
      break;
    }
  }
  RegCloseKey(handle:key_h);
}
RegCloseKey(handle:hklm);
NetUseDel(close:FALSE);

# Office Suites and Office Web Components
office_ver = hotfix_check_office_version();
if (!is_accessible_share())
{
  if (vuln)
  {
    NetUseDel();
    hotfix_security_hole();
    exit(0);
  }
  else exit(1, 'is_accessible_share() failed.');
}

rootfile = hotfix_get_officeprogramfilesdir();

share = '';
lastshare = '';
if (rootfile && office_version)
{
  foreach ver (keys(office_version))
  {
    if (typeof(rootfiles) == 'array') rootfile = rootfiles[ver];
    else rootfile = rootfiles;
    info = NULL;
    path = NULL;
    kb = '';
    if (ver == "9.0")
    {
      dll = ereg_replace(pattern:'^[A-Za-z]:(.*)', replace:'\\1\\Microsoft Office\\Office\\msowc.dll', string:rootfile);
      path = rootfile + '\\Microsoft Office\\Office';
      kb = '947320';
    }
    else if (ver == "10.0")
    {
      dll = ereg_replace(pattern:'^[A-Za-z]:(.*)', replace:'\\1\\Microsoft Office\\Office10\\owc10.dll', string:rootfile);
      path = rootfile + '\\Microsoft Office\\Office10\\';
      kb = '947320';
    }
    else if (ver == "11.0")
    {
      rootfile = hotfix_get_officecommonfilesdir(officever:'11.0');
      dll = ereg_replace(pattern:'^[A-Za-z]:(.*)', replace:'\\1\\Microsoft Shared\\Web Components', string:rootfile);
      dll += '\\11\\Owc11.dll';
      path = rootfile + '\\Microsoft Shared\\Web Components\\';
      kb = '947319';
    }
    else if (ver == "12.0")
    {
      rootfile = hotfix_get_officecommonfilesdir(officever:'12.0');
      dll = ereg_replace(pattern:'^[A-Za-z]:(.*)', replace:'\\1\\Microsoft Shared\\Web Components', string:rootfile);
      dll += '\\11\\Owc11.dll';
      path = rootfile + '\\Microsoft Shared\\Web Components\\';
      kb = '947318';
    }

    if (path)
    {
      share = hotfix_path2share(path:path);
      if (share != lastshare)
      {
        lastshare = share;
        NetUseDel(close:FALSE);
        rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
        if (rc != 1)
        {
          audit(AUDIT_SHARE_FAIL, share);
        }
      }

      handle = CreateFile(
        file:dll,
        desired_access:GENERIC_READ,
        file_attributes:FILE_ATTRIBUTE_NORMAL,
        share_mode:FILE_SHARE_READ,
        create_disposition:OPEN_EXISTING
      );

      if (!isnull(handle))
      {
        ver = GetFileVersion(handle:handle);
        CloseFile(handle:handle);
        if (!isnull(ver))
        {
          version = join(ver, sep:'.');
          if (ver[0] == 9 && ver[1] == 0 && ver[2] == 0 && ver[3] < 8977)
          {
            info =
              '\n  Path              : ' + path +
              '\n  Installed version : ' + version +
              '\n  Fixed version     : 9.0.0.8977 \n';
          }
          else if (ver[0] == 10 && ver[1] == 0 && ver[2] < 6854)
          {
            info =
              '\n  Path              : ' + path +
              '\n  Installed version : ' + version +
              '\n  Fixed version     : 10.0.6854.0 \n';
          }
          else if (ver[0] == 11 && ver[1] == 0 && ver[2] < 8304)
          {
            info =
              '\n  Path              : ' + path +
              '\n  Installed version : ' + version +
              '\n  Fixed version     : 11.0.8304.0 \n';
          }
          else if (ver[0] == 12 && ver[1] == 0 && (ver[2] < 6502 || (ver[2] == 6502 && ver[3] < 5000)))
          {
            info =
              '\n  Path              : ' + path +
              '\n  Installed version : ' + version +
              '\n  Fixed version     : 12.0.6502.5000 \n';
          }
        }
      }
    }
    if (info)
    {
      vuln = TRUE;
      hotfix_add_report(info, bulletin:bulletin, kb:kb);
    }
  }
  NetUseDel(close:FALSE);
}
if (!vuln)
{
  # Multiple versions of Office Web Components can be installed separately
  # without installing office
  rootfile = NULL;
  rootfile = hotfix_get_commonfilesdir();

  if (rootfile)
  {
    rootfile += '\\Microsoft Shared\\Web Components\\';
    share = ereg_replace(pattern:'^([A-Za-z]):.*', replace:'\\1$', string:rootfile);
    dirpat = ereg_replace(pattern:'^[A-Za-z]:(.*)', replace:'\\1\\*', string:rootfile);

    rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
    if (rc != 1)
    {
      audit(AUDIT_SHARE_FAIL, share);
    }

    owcdirs = make_list();
    fh = FindFirstFile(pattern:dirpat);
    while (!isnull(fh[1]))
    {
      if (fh[2] && FILE_ATTRIBUTE_DIRECTORY)
      {
        if (fh[1] =~ '^[0-9]+$')
        {
          owcdirs = make_list(owcdirs, fh[1]);
        }
      }
      fh = FindNextFile(handle:fh);
    }

    if (max_index(owcdirs) > 0)
    {
      for (i=0; i < max_index(owcdirs); i++)
      {
        info = NULL;
        path = rootfile + '\\' + owcdirs[i] + '\\';
        dll = ereg_replace(pattern:'[A-Za-z]:(.*)', replace:'\\1\\owc'+owcdirs[i]+'.dll', string:path);

        handle = CreateFile(
          file:dll,
          desired_access:GENERIC_READ,
          file_attributes:FILE_ATTRIBUTE_NORMAL,
          share_mode:FILE_SHARE_READ,
          create_disposition:OPEN_EXISTING
        );

        if (!isnull(handle))
        {
          ver = GetFileVersion(handle:handle);
          CloseFile(handle:handle);
          if (!isnull(ver))
          {
            version = join(ver, sep:'.');
            if (ver[0] == 10 && ver[1] == 0 && ver[2] < 6854)
            {
              info =
                '\n  Path              : ' + path +
                '\n  Installed version : ' + version +
                '\n  Fixed version     : 10.0.6854.0 \n';
            }
            else if (ver[0] == 11 && ver[1] == 0 && ver[2] < 8304)
            {
              info =
                '\n  Path              : ' + path +
                '\n  Installed version : ' + version +
                '\n  Fixed version     : 11.0.8304.0 \n';
            }
            else if (ver[0] == 12 && ver[1] == 0 && (ver[2] < 6502 || (ver[2] == 6502 && ver[3] < 5000)))
            {
              info =
                '\n  Path              : ' + path +
                '\n  Installed version : ' + version +
                '\n  Fixed version     : 12.0.6502.5000 \n';
            }
          }
        }
        if (info)
        {
          vuln = TRUE;
          hotfix_add_report(info, bulletin:bulletin, kb:kb);
        }
      }
    }
    NetUseDel(close:FALSE);
  }
}
if (vs_dll || sba_dll)
{
  rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
  if (rc != 1)
  {
    audit(AUDIT_SHARE_FAIL, share);
  }
  if (vs_dll)
  {
    handle = CreateFile(
      file:vs_dll,
      desired_access:GENERIC_READ,
      file_attributes:FILE_ATTRIBUTE_NORMAL,
      share_mode:FILE_SHARE_READ,
      create_disposition:OPEN_EXISTING
    );
    if (!isnull(handle))
    {
      ver = GetFileVersion(handle:handle);
      CloseFile(handle:handle);
      if (!isnull(ver))
      {
        version = join(ver, sep:'.');
        if (ver[0] == 9 && ver[1] == 0 && ver[2] == 0 && ver[3] < 8977)
        {
          info =
            '\n  Path              : ' + vs_path +
            '\n  Installed version : ' + version +
            '\n  Fixed version     : 9.0.0.8977 \n';
          vuln = TRUE;
          hotfix_add_report(info, bulletin:bulletin, kb:'969172');
        }
      }
    }
  }
  if (sba_dll)
  {
    handle = CreateFile(
      file:sba_dll,
      desired_access:GENERIC_READ,
      file_attributes:FILE_ATTRIBUTE_NORMAL,
      share_mode:FILE_SHARE_READ,
      create_disposition:OPEN_EXISTING
    );
    if (!isnull(handle))
    {
      ver = GetFileVersion(handle:handle);
      CloseFile(handle:handle);
      if (!isnull(ver))
      {
        version = join(ver, sep:'.');
        if (ver[0] == 11 && ver[1] == 0 && ver[2] < 8304)
        {
          info =
            '\n  Path              : ' + sba_path +
            '\n  Installed version : ' + version +
            '\n  Fixed version     : 11.0.8304 \n';
          vuln = TRUE;
          hotfix_add_report(info, bulletin:bulletin, kb:'968377');
        }
      }
    }
  }
}
NetUseDel();

if (vuln)
{
  set_kb_item(name:'SMB/Missing/MS09-043', value:TRUE);
  hotfix_security_hole();
  exit(0);
}
else exit(0, 'Host is patched.');

Oval

accepted2014-06-30T04:11:03.520-04:00
classvulnerability
contributors
  • nameDragos Prisaca
    organizationGideon Technologies, Inc.
  • nameMike Lah
    organizationThe MITRE Corporation
  • nameJosh Turpin
    organizationSymantec Corporation
  • nameMaria Mikhno
    organizationALTX-SOFT
definition_extensions
  • commentMicrosoft Office XP is installed
    ovaloval:org.mitre.oval:def:663
  • commentMicrosoft Office XP Web Components is installed
    ovaloval:org.mitre.oval:def:6283
  • commentMicrosoft Office 2003 Web Components is installed
    ovaloval:org.mitre.oval:def:6189
  • commentMicrosoft Office 2007 is installed
    ovaloval:org.mitre.oval:def:1211
  • commentMicrosoft Office 2003 Web Components is installed
    ovaloval:org.mitre.oval:def:6189
  • commentMicrosoft Internet Security and Acceleration Server 2004
    ovaloval:org.mitre.oval:def:5940
  • commentMicrosoft Internet Security and Acceleration Server 2006
    ovaloval:org.mitre.oval:def:6052
  • commentMicrosoft Office Small Business Accounting 2006 is installed
    ovaloval:org.mitre.oval:def:6181
descriptionHeap-based buffer overflow in the Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 SP1, and Office Small Business Accounting 2006 allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Office Web Components Heap Corruption Vulnerability."
familywindows
idoval:org.mitre.oval:def:5645
statusaccepted
submitted2009-08-11T13:00:00
titleOffice Web Components Heap Corruption Vulnerability
version11

Saint

bid35991
descriptionMicrosoft Office Web Components OWC.Spreadsheet BorderAround vulnerability
idwin_patch_owcrce
osvdb56915
titlems_office_web_components_spreadsheet_border
typeclient

References