KB4049179: Security update for Adobe Flash Player (October 2017)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(103924);
  script_version("1.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/25");

  script_cve_id("CVE-2017-11292");
  script_bugtraq_id(101286);
  script_xref(name:"MSFT", value:"MS17-4049179");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/03/24");

  script_name(english:"KB4049179: Security update for Adobe Flash Player (October 2017)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host has a browser plugin installed that is
affected by a type confusion vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote Windows host is missing security update KB4049179. It is,
therefore, affected by an unspecified type confusion flaw that is
caused by input not being properly validated. An unauthenticated,
remote attacker can exploit this, by convincing a user to visit a
website containing specially crafted Flash content, to trigger the
vulnerability and potentially execute arbitrary code.");
  script_set_attribute(attribute:"see_also", value:"https://helpx.adobe.com/security/products/flash-player/apsb17-32.html");
  # https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV170018
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6b756c8b");
  # https://support.microsoft.com/en-us/help/4049179/security-update-for-adobe-flash-player-october-17-2017
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ecb4c411");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Windows 2012, 8.1, RT 8.1,
2012 R2, 10, and 2016.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-11292");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/10/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/10/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/10/18");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:adobe:flash_player");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2017-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = "MS17-10";
kbs = make_list("4049179");
if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_WARNING);

get_kb_item_or_exit("SMB/Registry/Enumerated");
get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1);

if (hotfix_check_sp_range(win8:'0', win81:'0', win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);
if (hotfix_check_server_core() == 1) audit(AUDIT_WIN_SERVER_CORE);

productname = get_kb_item_or_exit("SMB/ProductName", exit_code:1);
if ("Windows 8" >< productname && "Windows 8.1" >!< productname) audit(AUDIT_OS_SP_NOT_VULN);

if (activex_init() != ACX_OK) audit(AUDIT_FN_FAIL, "activex_init");

# Adobe Flash Player CLSID
clsid = '{D27CDB6E-AE6D-11cf-96B8-444553540000}';

file = activex_get_filename(clsid:clsid);
if (isnull(file))
{
  activex_end();
  audit(AUDIT_FN_FAIL, "activex_get_filename", "NULL");
}
if (!file)
{
  activex_end();
  audit(AUDIT_ACTIVEX_NOT_FOUND, clsid);
}

# Get its version.
version = activex_get_fileversion(clsid:clsid);
if (!version)
{
  activex_end();
  audit(AUDIT_VER_FAIL, file);
}

info = '';

iver = split(version, sep:'.', keep:FALSE);
for (i=0; i<max_index(iver); i++)
 iver[i] = int(iver[i]);
iver = join(iver, sep:".");

# all <= 27.0.0.130
fix = FALSE;
if(ver_compare(ver:iver, fix:"27.0.0.130", strict:FALSE) <= 0)
  fix = "27.0.0.170";

if (
  (report_paranoia > 1 || activex_get_killbit(clsid:clsid) == 0) &&
  fix
)
{
  info = '\n  Path              : ' + file +
         '\n  Installed version : ' + version +
         '\n  Fixed version     : ' + fix +
         '\n';
}

port = kb_smb_transport();

if (info != '')
{
    if (report_paranoia > 1)
    {
      report = info +
        '\n' +
        'Note, though, that Nessus did not check whether the kill bit was\n' +
        "set for the control's CLSID because of the Report Paranoia setting" + '\n' +
        'in effect when this scan was run.\n';
    }
    else
    {
      report = info +
        '\n' +
        'Moreover, its kill bit is not set so it is accessible via Internet\n' +
        'Explorer.\n';
    }
    replace_kb_item(name:"SMB/Missing/"+bulletin, value:TRUE);
    hotfix_add_report(bulletin:'MS17-10', kb:'4049179', report);
    security_report_v4(severity:SECURITY_WARNING, port:port, extra:hotfix_get_report());
}
else audit(AUDIT_HOST_NOT, 'affected');