Apple MacOSX Security Updates(HT208331)-03

###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_apple_macosx_HT208331_03.nasl 14295 2019-03-18 20:16:46Z cfischer $
#
# Apple MacOSX Security Updates(HT208331)-03
#
# Authors:
# Kashinath T <[email protected]>
#
# Copyright:
# Copyright (C) 2017 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.812402");
  script_version("$Revision: 14295 $");
  script_cve_id("CVE-2017-13826", "CVE-2017-7158");
  script_bugtraq_id(101637);
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"$Date: 2019-03-18 21:16:46 +0100 (Mon, 18 Mar 2019) $");
  script_tag(name:"creation_date", value:"2017-12-07 10:51:38 +0530 (Thu, 07 Dec 2017)");
  script_name("Apple MacOSX Security Updates(HT208331)-03");

  script_tag(name:"summary", value:"This host is installed with Apple Mac OS X
  and is prone to privilege escalation vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw exists due to a permissions
  issue in the handling of screen sharing sessions.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to access any file readable by root.");

  script_tag(name:"affected", value:"Apple Mac OS X versions 10.13.x through 10.13.1 and
  10.12.x through 10.12.6");

  script_tag(name:"solution", value:"For Apple Mac OS X version 10.13.x before
  10.13.2 update to 10.13.2 and for versions 10.12.x through 10.11.6 apply the
  appropriate security patch from the reference links.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");
  script_xref(name:"URL", value:"https://support.apple.com/en-us/HT208331");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
  script_family("Mac OS X Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/osx_name", "ssh/login/osx_version", re:"ssh/login/osx_version=^10\.1[23]");
  exit(0);
}

include("version_func.inc");

osName = get_kb_item("ssh/login/osx_name");
if(!osName)
  exit(0);

osVer = get_kb_item("ssh/login/osx_version");
if(!osVer || osVer !~ "^10\.1[23]" || "Mac OS X" >!< osName){
  exit(0);
}

buildVer = get_kb_item("ssh/login/osx_build");
if(osVer =~ "^10\.12")
{
  if(version_in_range(version:osVer, test_version:"10.12", test_version2:"10.12.5")){
    fix = "Upgrade to latest OS release and apply patch from vendor";
  }

  else if(osVer == "10.12.6")
  {
    if(osVer == "10.12.6" && version_is_less(version:buildVer, test_version:"16G1114"))
    {
      fix = "Apply patch from vendor";
      osVer = osVer + " Build " + buildVer;
    }
  }
}

else if(osVer == "10.13.1"){
  fix = "10.13.2";
}

if(fix)
{
  report = report_fixed_ver(installed_version:osVer, fixed_version:fix);
  security_message(data:report);
  exit(0);
}

exit(99);