Apple Mac OS X Security Updates (HT208331)-03

# SPDX-FileCopyrightText: 2017 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("1.3.6.1.4.1.25623.1.0.812402");
  script_version("2024-02-09T14:47:30+0000");
  script_cve_id("CVE-2017-13872", "CVE-2017-7158");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2024-02-09 14:47:30 +0000 (Fri, 09 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-12-30 02:29:00 +0000 (Sat, 30 Dec 2017)");
  script_tag(name:"creation_date", value:"2017-12-07 10:51:38 +0530 (Thu, 07 Dec 2017)");
  script_name("Apple Mac OS X Security Updates (HT208331)-03");

  script_tag(name:"summary", value:"Apple Mac OS X is prone to a privilege escalation vulnerability.");

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

  script_tag(name:"insight", value:"Multiple flaws exist due to,

  - Permissions issue in the handling of screen sharing sessions.

  - A logic error existed in the validation of credentials.");

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

  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 prior to Security Update 2017-002 Sierra.");

  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 10.12.6 apply
  Security Update 2017-002 Sierra.");

  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_xref(name:"URL", value:"http://www.securityfocus.com/bid/101637");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  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);