MS06-027: Vulnerabilities in Microsoft Word Could Allow Remote Code Execution (917336)

#
# (C) Tenable Network Security, Inc.
#

include('compat.inc');

if (description)
{
  script_id(21690);
  script_version("1.38");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/06/08");

  script_cve_id("CVE-2006-2492");
  script_bugtraq_id(18037);
  script_xref(name:"CERT", value:"446012");
  script_xref(name:"MSFT", value:"MS06-027");
  script_xref(name:"MSKB", value:"917334");
  script_xref(name:"MSKB", value:"917335");
  script_xref(name:"MSKB", value:"917336");
  script_xref(name:"MSKB", value:"917345");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/06/22");

  script_name(english:"MS06-027: Vulnerabilities in Microsoft Word Could Allow Remote Code Execution (917336)");

  script_set_attribute(attribute:"synopsis", value:
"Arbitrary code can be executed on the remote host through Microsoft
Word.");
  script_set_attribute(attribute:"description", value:
"The remote host is running a version of Microsoft Word that is subject
to a flaw that could allow arbitrary code to be run.

An attacker may use this to execute arbitrary code on this host.

To succeed, the attacker would have to send a rogue file to a user of
the remote computer and have it open it.  Then a bug in the font parsing
handler would result in code execution.");
  script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2006/ms06-027");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Word 2000, XP and 2003.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2006-2492");

  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:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:"CANVAS");

  script_set_attribute(attribute:"vuln_publication_date", value:"2006/05/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2006/06/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2006/06/13");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:works");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:word");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:word_viewer");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2006-2022 Tenable Network Security, Inc.");

  script_dependencies("smb_nt_ms02-031.nasl", "office_installed.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_fcheck.inc");
include("smb_hotfixes.inc");
include("misc_func.inc");
include("audit.inc");

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = 'MS06-027';
kbs = make_list("917334", "917335", "917336", "917345");
if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);
port = get_kb_item("SMB/transport");


kb = '917336';

#
# Word
#
vuln = 0;
list = get_kb_list_or_exit("SMB/Office/Word/*/ProductPath");
foreach item (keys(list))
{
  v = item - 'SMB/Office/Word/' - '/ProductPath';
  if(ereg(pattern:"^9\..*", string:v))
  {
    # Word 2000 - fixed in 9.00.00.8943
    kb = '917345';
    sub =  ereg_replace(pattern:"^9\.00?\.00?\.([0-9]*)$", string:v, replace:"\1");
    if(sub != v && int(sub) < 8943 ) {
      vuln++;
      hotfix_add_report(bulletin:bulletin, kb:kb);
    }
  }
  else if(ereg(pattern:"^10\..*", string:v))
  {
    # Word XP - fixed in 10.0.6802.0
    kb = '917335';
    middle =  ereg_replace(pattern:"^10\.0\.([0-9]*)\.[0-9]*$", string:v, replace:"\1");
    if(middle != v && int(middle) < 6802) {
      vuln++;
      hotfix_add_report(bulletin:bulletin, kb:kb);
    }
  }
  else if(ereg(pattern:"^11\..*", string:v))
  {
    # Word 2003 - fixed in 11.08026.0
    kb = '917334';
    middle =  ereg_replace(pattern:"^11\.0\.([0-9]*)\.[0-9]*$", string:v, replace:"\1");
    if(middle != v && int(middle) < 8026) {
      vuln++;
      hotfix_add_report(bulletin:bulletin, kb:kb);
    }
  }
}
if (vuln)
{
  set_kb_item(name:"SMB/Missing/"+bulletin, value:TRUE);
  hotfix_security_hole();
  exit(0);
}
else audit(AUDIT_HOST_NOT, 'affected');